Table of Contents
318 relations: Absolute zero, Abundance of the chemical elements, Actinide, Actinium, Acute accent, Adenosine triphosphate, Aether (classical element), Agriculture, Air (classical element), Alchemy, Alkali metal, Alkaline earth metal, Allotropes of carbon, Allotropy, Alpha decay, Aluminium, Americium, Amorphous carbon, Ancient philosophy, Antimony, Antoine Lavoisier, Aqua regia, Arabic numerals, Argon, Aristotle, Arsenic, Astatine, Astronomy, Atmosphere of Earth, Atom, Atomic mass, Atomic nucleus, Atomic number, Atomic orbital, Bar (unit), Baryon, Beryllium, Beta decay, Big Bang, Big Bang nucleosynthesis, Biological roles of the elements, Biology, Bismuth, Bismuth-209, Block (periodic table), Boiling point, Boron, Bromine, Butterworth-Heinemann, Caesium, ... Expand index (268 more) »
Absolute zero
Absolute zero is the lowest limit of the thermodynamic temperature scale; a state at which the enthalpy and entropy of a cooled ideal gas reach their minimum value, taken as zero kelvin.
See Chemical element and Absolute zero
Abundance of the chemical elements
The abundance of the chemical elements is a measure of the occurrence of the chemical elements relative to all other elements in a given environment.
See Chemical element and Abundance of the chemical elements
Actinide
The actinide or actinoid series encompasses at least the 14 metallic chemical elements in the 5f series, with atomic numbers from 89 to 102, actinium through nobelium.
See Chemical element and Actinide
Actinium
Actinium is a chemical element; it has symbol Ac and atomic number 89. Chemical element and Actinium are chemical elements.
See Chemical element and Actinium
Acute accent
The acute accent,, because of rendering limitation in Android (as of v13), that its default sans font fails to render "dotted circle + diacritic", so visitors just get a meaningless (to most) mark.
See Chemical element and Acute accent
Adenosine triphosphate
Adenosine triphosphate (ATP) is a nucleotide that provides energy to drive and support many processes in living cells, such as muscle contraction, nerve impulse propagation, and chemical synthesis.
See Chemical element and Adenosine triphosphate
Aether (classical element)
According to ancient and medieval science, aether (alternative spellings include æther, aither, and ether), also known as the fifth element or quintessence, is the material that fills the region of the universe beyond the terrestrial sphere.
See Chemical element and Aether (classical element)
Agriculture
Agriculture encompasses crop and livestock production, aquaculture, fisheries, and forestry for food and non-food products.
See Chemical element and Agriculture
Air (classical element)
Air or Wind is one of the four classical elements along with water, earth and fire in ancient Greek philosophy and in Western alchemy.
See Chemical element and Air (classical element)
Alchemy
Alchemy (from Arabic: al-kīmiyā; from Ancient Greek: χυμεία, khumeía) is an ancient branch of natural philosophy, a philosophical and protoscientific tradition that was historically practised in China, India, the Muslim world, and Europe.
See Chemical element and Alchemy
Alkali metal
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See Chemical element and Alkali metal
Alkaline earth metal
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See Chemical element and Alkaline earth metal
Allotropes of carbon
Carbon is capable of forming many allotropes (structurally different forms of the same element) due to its valency.
See Chemical element and Allotropes of carbon
Allotropy
Allotropy or allotropism is the property of some chemical elements to exist in two or more different forms, in the same physical state, known as allotropes of the elements. Chemical element and allotropy are chemistry.
See Chemical element and Allotropy
Alpha decay
Alpha decay or α-decay is a type of radioactive decay in which an atomic nucleus emits an alpha particle (helium nucleus) and thereby transforms or "decays" into a different atomic nucleus, with a mass number that is reduced by four and an atomic number that is reduced by two.
See Chemical element and Alpha decay
Aluminium
Aluminium (Aluminum in North American English) is a chemical element; it has symbol Al and atomic number 13. Chemical element and Aluminium are chemical elements.
See Chemical element and Aluminium
Americium
Americium is a synthetic chemical element; it has symbol Am and atomic number 95. Chemical element and Americium are chemical elements.
See Chemical element and Americium
Amorphous carbon
Amorphous carbon is free, reactive carbon that has no crystalline structure.
See Chemical element and Amorphous carbon
Ancient philosophy
This page lists some links to ancient philosophy, namely philosophical thought extending as far as early post-classical history.
See Chemical element and Ancient philosophy
Antimony
Antimony is a chemical element; it has symbol Sb and atomic number 51. Chemical element and Antimony are chemical elements.
See Chemical element and Antimony
Antoine Lavoisier
Antoine-Laurent de Lavoisier (26 August 17438 May 1794), CNRS (Centre National de la Recherche Scientifique) also Antoine Lavoisier after the French Revolution, was a French nobleman and chemist who was central to the 18th-century chemical revolution and who had a large influence on both the history of chemistry and the history of biology.
See Chemical element and Antoine Lavoisier
Aqua regia
Aqua regia (from Latin, "regal water" or "royal water") is a mixture of nitric acid and hydrochloric acid, optimally in a molar ratio of 1:3.
See Chemical element and Aqua regia
Arabic numerals
The ten Arabic numerals 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 are the most commonly used symbols for writing numbers.
See Chemical element and Arabic numerals
Argon
Argon is a chemical element; it has symbol Ar and atomic number 18. Chemical element and Argon are chemical elements.
See Chemical element and Argon
Aristotle
Aristotle (Ἀριστοτέλης Aristotélēs; 384–322 BC) was an Ancient Greek philosopher and polymath.
See Chemical element and Aristotle
Arsenic
Arsenic is a chemical element with the symbol As and the atomic number 33. Chemical element and Arsenic are chemical elements.
See Chemical element and Arsenic
Astatine
Astatine is a chemical element; it has symbol At and atomic number 85. Chemical element and Astatine are chemical elements.
See Chemical element and Astatine
Astronomy
Astronomy is a natural science that studies celestial objects and the phenomena that occur in the cosmos.
See Chemical element and Astronomy
Atmosphere of Earth
The atmosphere of Earth is composed of a layer of gas mixture that surrounds the Earth's planetary surface (both lands and oceans), known collectively as air, with variable quantities of suspended aerosols and particulates (which create weather features such as clouds and hazes), all retained by Earth's gravity.
See Chemical element and Atmosphere of Earth
Atom
Atoms are the basic particles of the chemical elements. Chemical element and Atom are chemistry.
Atomic mass
The atomic mass (ma or m) is the mass of an atom.
See Chemical element and Atomic mass
Atomic nucleus
The atomic nucleus is the small, dense region consisting of protons and neutrons at the center of an atom, discovered in 1911 by Ernest Rutherford based on the 1909 Geiger–Marsden gold foil experiment.
See Chemical element and Atomic nucleus
Atomic number
The atomic number or nuclear charge number (symbol Z) of a chemical element is the charge number of an atomic nucleus.
See Chemical element and Atomic number
Atomic orbital
In quantum mechanics, an atomic orbital is a function describing the location and wave-like behavior of an electron in an atom.
See Chemical element and Atomic orbital
Bar (unit)
The bar is a metric unit of pressure defined as 100,000 Pa (100 kPa), though not part of the International System of Units (SI).
See Chemical element and Bar (unit)
Baryon
In particle physics, a baryon is a type of composite subatomic particle, including the proton and the neutron, that contains an odd number of valence quarks, conventionally three.
See Chemical element and Baryon
Beryllium
Beryllium is a chemical element; it has symbol Be and atomic number 4. Chemical element and Beryllium are chemical elements.
See Chemical element and Beryllium
Beta decay
In nuclear physics, beta decay (β-decay) is a type of radioactive decay in which an atomic nucleus emits a beta particle (fast energetic electron or positron), transforming into an isobar of that nuclide.
See Chemical element and Beta decay
Big Bang
The Big Bang is a physical theory that describes how the universe expanded from an initial state of high density and temperature.
See Chemical element and Big Bang
Big Bang nucleosynthesis
In physical cosmology, Big Bang nucleosynthesis (also known as primordial nucleosynthesis, and abbreviated as BBN) is the production of nuclei other than those of the lightest isotope of hydrogen (hydrogen-1, 1H, having a single proton as a nucleus) during the early phases of the universe.
See Chemical element and Big Bang nucleosynthesis
Biological roles of the elements
A large fraction of the chemical elements that occur naturally on the Earth's surface are essential to the structure and metabolism of living things.
See Chemical element and Biological roles of the elements
Biology
Biology is the scientific study of life.
See Chemical element and Biology
Bismuth
Bismuth is a chemical element; it has symbol Bi and atomic number 83. Chemical element and Bismuth are chemical elements.
See Chemical element and Bismuth
Bismuth-209
Bismuth-209 (Bi) is an isotope of bismuth, with the longest known half-life of any radioisotope that undergoes α-decay (alpha decay).
See Chemical element and Bismuth-209
Block (periodic table)
A block of the periodic table is a set of elements unified by the atomic orbitals their valence electrons or vacancies lie in.
See Chemical element and Block (periodic table)
Boiling point
The boiling point of a substance is the temperature at which the vapor pressure of a liquid equals the pressure surrounding the liquid and the liquid changes into a vapor.
See Chemical element and Boiling point
Boron
Boron is a chemical element; it has symbol B and atomic number 5. Chemical element and Boron are chemical elements.
See Chemical element and Boron
Bromine
Bromine is a chemical element; it has symbol Br and atomic number 35. Chemical element and Bromine are chemical elements.
See Chemical element and Bromine
Butterworth-Heinemann
Butterworth–Heinemann is a British publishing company specialised in professional information and learning materials for higher education and professional training, in printed and electronic forms.
See Chemical element and Butterworth-Heinemann
Caesium
Caesium (IUPAC spelling; cesium in American English) is a chemical element; it has symbol Cs and atomic number 55. Chemical element and Caesium are chemical elements.
See Chemical element and Caesium
Calcium
Calcium is a chemical element; it has symbol Ca and atomic number 20. Chemical element and Calcium are chemical elements.
See Chemical element and Calcium
Californium
Californium is a synthetic chemical element; it has symbol Cf and atomic number 98. Chemical element and Californium are chemical elements.
See Chemical element and Californium
Caloric theory
The caloric theory is an obsolete scientific theory that heat consists of a self-repellent fluid called caloric that flows from hotter bodies to colder bodies.
See Chemical element and Caloric theory
Carbon
Carbon is a chemical element; it has symbol C and atomic number 6. Chemical element and Carbon are chemical elements.
See Chemical element and Carbon
Carbon dioxide
Carbon dioxide is a chemical compound with the chemical formula.
See Chemical element and Carbon dioxide
Carbon nanotube
A scanning tunneling microscopy image of a single-walled carbon nanotube Rotating single-walled zigzag carbon nanotube A carbon nanotube (CNT) is a tube made of carbon with a diameter in the nanometre range (nanoscale).
See Chemical element and Carbon nanotube
Carbon-12
Carbon-12 (12C) is the most abundant of the two stable isotopes of carbon (carbon-13 being the other), amounting to 98.93% of element carbon on Earth; its abundance is due to the triple-alpha process by which it is created in stars.
See Chemical element and Carbon-12
Carbon-13
Carbon-13 (13C) is a natural, stable isotope of carbon with a nucleus containing six protons and seven neutrons.
See Chemical element and Carbon-13
Carbon-14
Carbon-14, C-14, or radiocarbon, is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.
See Chemical element and Carbon-14
Celsius
The degree Celsius is the unit of temperature on the Celsius temperature scale "Celsius temperature scale, also called centigrade temperature scale, scale based on 0 ° for the melting point of water and 100 ° for the boiling point of water at 1 atm pressure." (originally known as the centigrade scale outside Sweden), one of two temperature scales used in the International System of Units (SI), the other being the closely related Kelvin scale.
See Chemical element and Celsius
Cerium
Cerium is a chemical element; it has symbol Ce and atomic number 58. Chemical element and Cerium are chemical elements.
See Chemical element and Cerium
Chemical bond
A chemical bond is the association of atoms or ions to form molecules, crystals, and other structures.
See Chemical element and Chemical bond
Chemical compound
A chemical compound is a chemical substance composed of many identical molecules (or molecular entities) containing atoms from more than one chemical element held together by chemical bonds. Chemical element and chemical compound are chemistry.
See Chemical element and Chemical compound
Chemical database
A chemical database is a database specifically designed to store chemical information.
See Chemical element and Chemical database
Chemical engineering
Chemical engineering is an engineering field which deals with the study of operation and design of chemical plants as well as methods of improving production.
See Chemical element and Chemical engineering
Chemical property
A chemical property is any of a material's properties that becomes evident during, or after, a chemical reaction; that is, any quality that can be established only by changing a substance's chemical identity.
See Chemical element and Chemical property
Chemical reaction
A chemical reaction is a process that leads to the chemical transformation of one set of chemical substances to another. Chemical element and chemical reaction are chemistry.
See Chemical element and Chemical reaction
Chemical structure
A chemical structure of a molecule is a spatial arrangement of its atoms and their chemical bonds.
See Chemical element and Chemical structure
Chemical substance
A chemical substance is a unique form of matter with constant chemical composition and characteristic properties.
See Chemical element and Chemical substance
Chemical symbol
Chemical symbols are the abbreviations used in chemistry, mainly for chemical elements; but also for functional groups, chemical compounds, and other entities. Chemical element and chemical symbol are chemical elements.
See Chemical element and Chemical symbol
Chemically inert
In chemistry, the term chemically inert is used to describe a substance that is not chemically reactive.
See Chemical element and Chemically inert
Chlorine
Chlorine is a chemical element; it has symbol Cl and atomic number 17. Chemical element and Chlorine are chemical elements.
See Chemical element and Chlorine
Chlorophyll
Chlorophyll is any of several related green pigments found in cyanobacteria and in the chloroplasts of algae and plants.
See Chemical element and Chlorophyll
Chromium
Chromium is a chemical element; it has symbol Cr and atomic number 24. Chemical element and Chromium are chemical elements.
See Chemical element and Chromium
Chronology of the universe
The chronology of the universe describes the history and future of the universe according to Big Bang cosmology.
See Chemical element and Chronology of the universe
Classical element
The classical elements typically refer to earth, water, air, fire, and (later) aether which were proposed to explain the nature and complexity of all matter in terms of simpler substances.
See Chemical element and Classical element
Cluster decay
Cluster decay, also named heavy particle radioactivity, heavy ion radioactivity or heavy cluster decay," is a rare type of nuclear decay in which an atomic nucleus emits a small "cluster" of neutrons and protons, more than in an alpha particle, but less than a typical binary fission fragment.
See Chemical element and Cluster decay
Cobalt
Cobalt is a chemical element; it has symbol Co and atomic number 27. Chemical element and Cobalt are chemical elements.
See Chemical element and Cobalt
Composition of the human body
Body composition may be analyzed in various ways.
See Chemical element and Composition of the human body
Copper
Copper is a chemical element; it has symbol Cu and atomic number 29. Chemical element and Copper are chemical elements.
See Chemical element and Copper
Cosmic ray
Cosmic rays or astroparticles are high-energy particles or clusters of particles (primarily represented by protons or atomic nuclei) that move through space at nearly the speed of light.
See Chemical element and Cosmic ray
Cosmic ray spallation
Cosmic ray spallation, also known as the x-process, is a set of naturally occurring nuclear reactions causing nucleosynthesis; it refers to the formation of chemical elements from the impact of cosmic rays on an object.
See Chemical element and Cosmic ray spallation
Cosmogenic nuclide
Cosmogenic nuclides (or cosmogenic isotopes) are rare nuclides (isotopes) created when a high-energy cosmic ray interacts with the nucleus of an in situ Solar System atom, causing nucleons (protons and neutrons) to be expelled from the atom (see cosmic ray spallation).
See Chemical element and Cosmogenic nuclide
Crystal structure
In crystallography, crystal structure is a description of ordered arrangement of atoms, ions, or molecules in a crystalline material.
See Chemical element and Crystal structure
Cube
In geometry, a cube is a three-dimensional solid object bounded by six square faces.
Cubic crystal system
In crystallography, the cubic (or isometric) crystal system is a crystal system where the unit cell is in the shape of a cube.
See Chemical element and Cubic crystal system
Curium
Curium is a synthetic chemical element; it has symbol Cm and atomic number 96. Chemical element and Curium are chemical elements.
See Chemical element and Curium
Dalton (unit)
The dalton or unified atomic mass unit (symbols: Da or u) is a non-SI unit of mass defined as of the mass of an unbound neutral atom of carbon-12 in its nuclear and electronic ground state and at rest.
See Chemical element and Dalton (unit)
Dark energy
In physical cosmology and astronomy, dark energy is an unknown form of energy that affects the universe on the largest scales.
See Chemical element and Dark energy
Dark matter
In astronomy, dark matter is a hypothetical form of matter that appears not to interact with light or the electromagnetic field.
See Chemical element and Dark matter
Decay product
In nuclear physics, a decay product (also known as a daughter product, daughter isotope, radio-daughter, or daughter nuclide) is the remaining nuclide left over from radioactive decay.
See Chemical element and Decay product
Densities of the elements (data page)
In the following table, the use row is the value recommended for use in other Wikipedia pages in order to maintain consistency across content.
See Chemical element and Densities of the elements (data page)
Density
Density (volumetric mass density or specific mass) is a substance's mass per unit of volume.
See Chemical element and Density
Deuterium
Deuterium (hydrogen-2, symbol H or D, also known as heavy hydrogen) is one of two stable isotopes of hydrogen (the other is protium, or hydrogen-1).
See Chemical element and Deuterium
Diamond
Diamond is a solid form of the element carbon with its atoms arranged in a crystal structure called diamond cubic.
See Chemical element and Diamond
Discovery of chemical elements
The discoveries of the 118 chemical elements known to exist as of 2024 are presented here in chronological order.
See Chemical element and Discovery of chemical elements
Dmitri Mendeleev
Dmitri Ivanovich Mendeleev (sometimes romanized as Mendeleyev, Mendeleiev, or Mendeleef;; Dmitriy Ivanovich Mendeleyev,; 8 February 18342 February 1907) was a Russian chemist and inventor.
See Chemical element and Dmitri Mendeleev
Dubna
Dubna (p) is a town in Moscow Oblast, Russia.
See Chemical element and Dubna
Earth
Earth is the third planet from the Sun and the only astronomical object known to harbor life.
See Chemical element and Earth
Earth (classical element)
Earth is one of the classical elements, in some systems being one of the four along with air, fire, and water.
See Chemical element and Earth (classical element)
Einsteinium
Einsteinium is a synthetic chemical element; it has symbol Es and atomic number 99. Chemical element and Einsteinium are chemical elements.
See Chemical element and Einsteinium
Electric charge
Electric charge (symbol q, sometimes Q) is the physical property of matter that causes it to experience a force when placed in an electromagnetic field.
See Chemical element and Electric charge
Electricity
Electricity is the set of physical phenomena associated with the presence and motion of matter possessing an electric charge.
See Chemical element and Electricity
Electron
The electron (or in nuclear reactions) is a subatomic particle with a negative one elementary electric charge.
See Chemical element and Electron
Electronic effect
An electric effect influences the structure, reactivity, or properties of a molecule but is neither a traditional bond nor a steric effect.
See Chemical element and Electronic effect
Electrophile
In chemistry, an electrophile is a chemical species that forms bonds with nucleophiles by accepting an electron pair.
See Chemical element and Electrophile
Element collecting
Element collecting is the hobby of collecting the chemical elements. Chemical element and element collecting are chemical elements.
See Chemical element and Element collecting
Empedocles
Empedocles (Ἐμπεδοκλῆς;, 444–443 BC) was a Greek pre-Socratic philosopher and a native citizen of Akragas, a Greek city in Sicily.
See Chemical element and Empedocles
Engineering
Engineering is the practice of using natural science, mathematics, and the engineering design process to solve technical problems, increase efficiency and productivity, and improve systems.
See Chemical element and Engineering
Environmental health
Environmental health is the branch of public health concerned with all aspects of the natural and built environment affecting human health.
See Chemical element and Environmental health
European Nuclear Society
Since being founded in 1975, the European Nuclear Society (ENS) has grown to become the largest society in Europe for science, engineering and research in support of the nuclear industry.
See Chemical element and European Nuclear Society
Fire (classical element)
Fire is one of the four classical elements along with earth, water and air in ancient Greek philosophy and science.
See Chemical element and Fire (classical element)
Fluorine
Fluorine is a chemical element; it has symbol F and atomic number 9. Chemical element and Fluorine are chemical elements.
See Chemical element and Fluorine
Francium
Francium is a chemical element; it has symbol Fr and atomic number 87. Chemical element and Francium are chemical elements.
See Chemical element and Francium
Fullerene
A fullerene is an allotrope of carbon whose molecules consist of carbon atoms connected by single and double bonds so as to form a closed or partially closed mesh, with fused rings of five to seven atoms.
See Chemical element and Fullerene
Gadolinium
Gadolinium is a chemical element; it has symbol Gd and atomic number 64. Chemical element and Gadolinium are chemical elements.
See Chemical element and Gadolinium
Gallium
Gallium is a chemical element; it has the symbol Ga and atomic number 31. Chemical element and Gallium are chemical elements.
See Chemical element and Gallium
Gas
Gas is one of the four fundamental states of matter.
Geology
Geology is a branch of natural science concerned with the Earth and other astronomical objects, the rocks of which they are composed, and the processes by which they change over time.
See Chemical element and Geology
Glenn T. Seaborg
Glenn Theodore Seaborg (April 19, 1912February 25, 1999) was an American chemist whose involvement in the synthesis, discovery and investigation of ten transuranium elements earned him a share of the 1951 Nobel Prize in Chemistry.
See Chemical element and Glenn T. Seaborg
Gold
Gold is a chemical element; it has symbol Au (from the Latin word aurum) and atomic number 79. Chemical element and Gold are chemical elements.
Goldschmidt classification
The Goldschmidt classification, developed by Victor Goldschmidt (1888–1947), is a geochemical classification which groups the chemical elements within the Earth according to their preferred host phases into lithophile (rock-loving), siderophile (iron-loving), chalcophile (sulfide ore-loving or chalcogen-loving), and atmophile (gas-loving) or volatile (the element, or a compound in which it occurs, is liquid or gaseous at ambient surface conditions).
See Chemical element and Goldschmidt classification
Graphene
Graphene is an allotrope of carbon consisting of a single layer of atoms arranged in a honeycomb nanostructure.
See Chemical element and Graphene
Graphite
Graphite is a crystalline form of the element carbon.
See Chemical element and Graphite
Group (periodic table)
In chemistry, a group (also known as a family) is a column of elements in the periodic table of the chemical elements.
See Chemical element and Group (periodic table)
Hafnium
Hafnium is a chemical element; it has symbol Hf and atomic number 72. Chemical element and Hafnium are chemical elements.
See Chemical element and Hafnium
Half-life
Half-life (symbol) is the time required for a quantity (of substance) to reduce to half of its initial value.
See Chemical element and Half-life
Halogen
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See Chemical element and Halogen
Hamish Hamilton
Hamish Hamilton Limited was a British book publishing house, founded in 1931 eponymously by the half-Scot half-American Jamie Hamilton (Hamish is the vocative form of the Gaelic Seumas, James the English form – which was also his given name, and Jamie the diminutive form).
See Chemical element and Hamish Hamilton
Heavy metals
pp.
See Chemical element and Heavy metals
Heavy water
Heavy water (deuterium oxide) is a form of water whose hydrogen atoms are all deuterium (or D, also known as heavy hydrogen) rather than the common hydrogen-1 isotope (also called protium) that makes up most of the hydrogen in normal water.
See Chemical element and Heavy water
Helium
Helium (from lit) is a chemical element; it has symbol He and atomic number 2. Chemical element and Helium are chemical elements.
See Chemical element and Helium
Hemoglobin
Hemoglobin (haemoglobin, Hb or Hgb) is a protein containing iron that facilitates the transport of oxygen in red blood cells.
See Chemical element and Hemoglobin
Henry Moseley
Henry Gwyn Jeffreys Moseley (23 November 1887 – 10 August 1915) was an English physicist, whose contribution to the science of physics was the justification from physical laws of the previous empirical and chemical concept of the atomic number.
See Chemical element and Henry Moseley
Hexagonal crystal family
In crystallography, the hexagonal crystal family is one of the 6 crystal families, which includes two crystal systems (hexagonal and trigonal) and two lattice systems (hexagonal and rhombohedral).
See Chemical element and Hexagonal crystal family
History of atomic theory
Atomic theory is the scientific theory that matter is composed of particles called atoms.
See Chemical element and History of atomic theory
Hydrogen
Hydrogen is a chemical element; it has symbol H and atomic number 1. Chemical element and Hydrogen are chemical elements.
See Chemical element and Hydrogen
Icosahedron
In geometry, an icosahedron is a polyhedron with 20 faces.
See Chemical element and Icosahedron
Inorganic chemistry
Inorganic chemistry deals with synthesis and behavior of inorganic and organometallic compounds.
See Chemical element and Inorganic chemistry
International Union of Pure and Applied Chemistry
The International Union of Pure and Applied Chemistry (IUPAC) is an international federation of National Adhering Organizations working for the advancement of the chemical sciences, especially by developing nomenclature and terminology.
See Chemical element and International Union of Pure and Applied Chemistry
Inverse beta decay
In nuclear and particle physics, inverse beta decay, commonly abbreviated to IBD, is a nuclear reaction involving an electron antineutrino scattering off a proton, creating a positron and a neutron.
See Chemical element and Inverse beta decay
Iodine
Iodine is a chemical element; it has symbol I and atomic number 53. Chemical element and Iodine are chemical elements.
See Chemical element and Iodine
Ion
An ion is an atom or molecule with a net electrical charge.
Ionization
Ionization (or ionisation specifically in Britain, Ireland, Australia and New Zealand) is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons, often in conjunction with other chemical changes.
See Chemical element and Ionization
Iron
Iron is a chemical element. Chemical element and Iron are chemical elements.
Isaac Watts
Isaac Watts (17 July 1674 – 25 November 1748) was an English Congregational minister, hymn writer, theologian, and logician.
See Chemical element and Isaac Watts
Island of stability
In nuclear physics, the island of stability is a predicted set of isotopes of superheavy elements that may have considerably longer half-lives than known isotopes of these elements.
See Chemical element and Island of stability
Isotope
Isotopes are distinct nuclear species (or nuclides) of the same chemical element.
See Chemical element and Isotope
Isotopes of hydrogen
Hydrogen (1H) has three naturally occurring isotopes, sometimes denoted,, and.
See Chemical element and Isotopes of hydrogen
Isotopes of magnesium
Magnesium (12Mg) naturally occurs in three stable isotopes:,, and.
See Chemical element and Isotopes of magnesium
IUPAC/IUPAP Joint Working Party
The IUPAC/IUPAP Joint Working Party is a group convened periodically by the International Union of Pure and Applied Chemistry (IUPAC) and the International Union of Pure and Applied Physics (IUPAP) to consider claims for discovery and naming of new chemical elements.
See Chemical element and IUPAC/IUPAP Joint Working Party
Jöns Jacob Berzelius
Baron Jöns Jacob Berzelius ((20 August 1779 – 7 August 1848) was a Swedish chemist. In general, he is considered the last person to know the whole field of chemistry. Berzelius is considered, along with Robert Boyle, John Dalton, and Antoine Lavoisier, to be one of the founders of modern chemistry.
See Chemical element and Jöns Jacob Berzelius
John Dalton
John Dalton (5 or 6 September 1766 – 27 July 1844) was an English chemist, physicist and meteorologist.
See Chemical element and John Dalton
John Murrell (chemist)
John Norman Murrell FRS (2 March 1932 – 25 January 2016) was a British theoretical chemist who played a leading role in revolutionising the UK's reputation for theoretical chemistry during the second half of the 20th century.
See Chemical element and John Murrell (chemist)
Joint Institute for Nuclear Research
The Joint Institute for Nuclear Research (JINR, Объединённый институт ядерныхисследований, ОИЯИ), in Dubna, Moscow Oblast (110 km north of Moscow), Russia, is an international research center for nuclear sciences, with 5500 staff members including 1200 researchers holding over 1000 Ph.Ds from eighteen countries.
See Chemical element and Joint Institute for Nuclear Research
Kinetic isotope effect
In physical organic chemistry, a kinetic isotope effect (KIE) is the change in the reaction rate of a chemical reaction when one of the atoms in the reactants is replaced by one of its isotopes.
See Chemical element and Kinetic isotope effect
Lanthanide
The lanthanide or lanthanoid series of chemical elements comprises at least the 14 metallic chemical elements with atomic numbers 57–70, from lanthanum through ytterbium.
See Chemical element and Lanthanide
Lanthanum
Lanthanum is a chemical element; it has symbol La and atomic number 57. Chemical element and Lanthanum are chemical elements.
See Chemical element and Lanthanum
Latin
Latin (lingua Latina,, or Latinum) is a classical language belonging to the Italic branch of the Indo-European languages.
See Chemical element and Latin
Latin alphabet
The Latin alphabet, also known as the Roman alphabet, is the collection of letters originally used by the ancient Romans to write the Latin language.
See Chemical element and Latin alphabet
Lead
Lead is a chemical element; it has symbol Pb (from Latin plumbum) and atomic number 82. Chemical element and Lead are chemical elements.
Ligand
In coordination chemistry, a ligand is an ion or molecule with a functional group that binds to a central metal atom to form a coordination complex.
See Chemical element and Ligand
Light
Light, visible light, or visible radiation is electromagnetic radiation that can be perceived by the human eye.
See Chemical element and Light
Liquid
A liquid is a nearly incompressible fluid that conforms to the shape of its container but retains a nearly constant volume independent of pressure.
See Chemical element and Liquid
List of alternative nonmetal classes
In chemistry, after nonmetallic elements such as silicon, chlorine, and helium are classed as either metalloids, halogens, or noble gases, the remaining unclassified nonmetallic elements are hydrogen, carbon, nitrogen, oxygen, phosphorus, sulfur and selenium.
See Chemical element and List of alternative nonmetal classes
List of chemical element naming controversies
The currently accepted names and symbols of the chemical elements are determined by the International Union of Pure and Applied Chemistry (IUPAC), usually following recommendations by the recognized discoverers of each element.
See Chemical element and List of chemical element naming controversies
List of chemical elements
118 chemical elements have been identified and named officially by IUPAC.
See Chemical element and List of chemical elements
List of fictional elements, materials, isotopes and subatomic particles
This list contains fictional chemical elements, materials, isotopes or subatomic particles that either a) play a major role in a notable work of fiction, b) are common to several unrelated works, or c) are discussed in detail by independent sources.
See Chemical element and List of fictional elements, materials, isotopes and subatomic particles
List of nuclides
This list of nuclides shows observed nuclides that either are stable or, if radioactive, have half-lives longer than one hour.
See Chemical element and List of nuclides
Lithium
Lithium is a chemical element; it has symbol Li and atomic number 3. Chemical element and Lithium are chemical elements.
See Chemical element and Lithium
Los Alamos National Laboratory
Los Alamos National Laboratory (often shortened as Los Alamos and LANL) is one of the sixteen research and development laboratories of the United States Department of Energy (DOE), located a short distance northwest of Santa Fe, New Mexico, in the American southwest.
See Chemical element and Los Alamos National Laboratory
Los Angeles Pierce College
Los Angeles Pierce College, shortened to Pierce College or simply Pierce, is a public community college in Woodland Hills, Los Angeles, California.
See Chemical element and Los Angeles Pierce College
Lutetium
Lutetium is a chemical element; it has symbol Lu and atomic number 71. Chemical element and Lutetium are chemical elements.
See Chemical element and Lutetium
Magnesium
Magnesium is a chemical element; it has symbol Mg and atomic number 12. Chemical element and Magnesium are chemical elements.
See Chemical element and Magnesium
Manufacturing
Manufacturing is the creation or production of goods with the help of equipment, labor, machines, tools, and chemical or biological processing or formulation.
See Chemical element and Manufacturing
Mass
Mass is an intrinsic property of a body.
Mass number
The mass number (symbol A, from the German word: Atomgewicht, "atomic weight"), also called atomic mass number or nucleon number, is the total number of protons and neutrons (together known as nucleons) in an atomic nucleus.
See Chemical element and Mass number
Materials science
Materials science is an interdisciplinary field of researching and discovering materials.
See Chemical element and Materials science
Medicine
Medicine is the science and practice of caring for patients, managing the diagnosis, prognosis, prevention, treatment, palliation of their injury or disease, and promoting their health.
See Chemical element and Medicine
Melting point
The melting point (or, rarely, liquefaction point) of a substance is the temperature at which it changes state from solid to liquid.
See Chemical element and Melting point
Mendelevium
Mendelevium is a synthetic chemical element; it has symbol Md (formerly '''Mv''') and atomic number 101. Chemical element and Mendelevium are chemical elements.
See Chemical element and Mendelevium
Mercury (element)
Mercury is a chemical element; it has symbol Hg and atomic number 80. Chemical element and Mercury (element) are chemical elements.
See Chemical element and Mercury (element)
Metal
A metal is a material that, when polished or fractured, shows a lustrous appearance, and conducts electricity and heat relatively well.
See Chemical element and Metal
Metalloid
A metalloid is a chemical element which has a preponderance of properties in between, or that are a mixture of, those of metals and nonmetals.
See Chemical element and Metalloid
Metals of antiquity
The metals of antiquity are the seven metals which humans had identified and found use for in prehistoric times in Africa, Europe and throughout Asia: gold, silver, copper, tin, lead, iron, and mercury.
See Chemical element and Metals of antiquity
Mineral (nutrient)
In the context of nutrition, a mineral is a chemical element.
See Chemical element and Mineral (nutrient)
Mixture
A mixture is a material made up of two or more different chemical substances which can be separated by physical method. Chemical element and mixture are chemistry.
See Chemical element and Mixture
Modern era
The modern era or the modern period is considered the current historical period of human history.
See Chemical element and Modern era
Molar ionization energies of the elements
These tables list values of molar ionization energies, measured in kJ⋅mol−1.
See Chemical element and Molar ionization energies of the elements
Molecular geometry
Molecular geometry is the three-dimensional arrangement of the atoms that constitute a molecule.
See Chemical element and Molecular geometry
Molecule
A molecule is a group of two or more atoms held together by attractive forces known as chemical bonds; depending on context, the term may or may not include ions which satisfy this criterion. Chemical element and molecule are chemistry.
See Chemical element and Molecule
Mollusc shell
The mollusc (or molluskOften spelled mollusk shell in the USA; the spelling "mollusc" are preferred by) shell is typically a calcareous exoskeleton which encloses, supports and protects the soft parts of an animal in the phylum Mollusca, which includes snails, clams, tusk shells, and several other classes.
See Chemical element and Mollusc shell
Monoclinic crystal system
In crystallography, the monoclinic crystal system is one of the seven crystal systems.
See Chemical element and Monoclinic crystal system
Monotonic function
In mathematics, a monotonic function (or monotone function) is a function between ordered sets that preserves or reverses the given order.
See Chemical element and Monotonic function
NASA
The National Aeronautics and Space Administration (NASA) is an independent agency of the U.S. federal government responsible for the civil space program, aeronautics research, and space research.
Native element mineral
Native element minerals are those elements that occur in nature in uncombined form with a distinct mineral structure.
See Chemical element and Native element mineral
Natural number
In mathematics, the natural numbers are the numbers 0, 1, 2, 3, etc., possibly excluding 0.
See Chemical element and Natural number
Nature
Nature is an inherent character or constitution, particularly of the ecosphere or the universe as a whole.
See Chemical element and Nature
Neo-Latin
Neo-LatinSidwell, Keith Classical Latin-Medieval Latin-Neo Latin in; others, throughout.
See Chemical element and Neo-Latin
Neodymium
Neodymium is a chemical element; it has symbol Nd and atomic number 60. Chemical element and Neodymium are chemical elements.
See Chemical element and Neodymium
Neon
Neon is a chemical element; it has symbol Ne and atomic number 10. Chemical element and Neon are chemical elements.
Neptunium
Neptunium is a chemical element; it has symbol Np and atomic number 93. Chemical element and Neptunium are chemical elements.
See Chemical element and Neptunium
Neutron
| magnetic_moment.
See Chemical element and Neutron
Neutron star
A neutron star is the collapsed core of a massive supergiant star.
See Chemical element and Neutron star
Neutron star merger
A neutron star merger is the stellar collision of neutron stars.
See Chemical element and Neutron star merger
New World
The term "New World" is used to describe the majority of lands of Earth's Western Hemisphere, particularly the Americas.
See Chemical element and New World
Nickel
Nickel is a chemical element; it has symbol Ni and atomic number 28. Chemical element and Nickel are chemical elements.
See Chemical element and Nickel
Niobium
Niobium is a chemical element; it has symbol Nb (formerly columbium, Cb) and atomic number 41. Chemical element and Niobium are chemical elements.
See Chemical element and Niobium
Nitrogen
Nitrogen is a chemical element; it has symbol N and atomic number 7. Chemical element and Nitrogen are chemical elements.
See Chemical element and Nitrogen
Noble gas
|- ! colspan.
See Chemical element and Noble gas
Nonmetal
In the context of the periodic table a nonmetal is a chemical element that mostly lacks distinctive metallic properties.
See Chemical element and Nonmetal
Nuclear binding energy
Nuclear binding energy in experimental physics is the minimum energy that is required to disassemble the nucleus of an atom into its constituent protons and neutrons, known collectively as nucleons.
See Chemical element and Nuclear binding energy
Nuclear fission
Nuclear fission is a reaction in which the nucleus of an atom splits into two or more smaller nuclei.
See Chemical element and Nuclear fission
Nuclear fusion
Nuclear fusion is a reaction in which two or more atomic nuclei, usually deuterium and tritium (hydrogen isotopes), combine to form one or more different atomic nuclei and subatomic particles (neutrons or protons).
See Chemical element and Nuclear fusion
Nuclear physics
Nuclear physics is the field of physics that studies atomic nuclei and their constituents and interactions, in addition to the study of other forms of nuclear matter.
See Chemical element and Nuclear physics
Nuclear reaction
In nuclear physics and nuclear chemistry, a nuclear reaction is a process in which two nuclei, or a nucleus and an external subatomic particle, collide to produce one or more new nuclides.
See Chemical element and Nuclear reaction
Nuclear transmutation
Nuclear transmutation is the conversion of one chemical element or an isotope into another chemical element.
See Chemical element and Nuclear transmutation
Nucleic acid
Nucleic acids are large biomolecules that are crucial in all cells and viruses.
See Chemical element and Nucleic acid
Nucleogenic
A nucleogenic isotope, or nuclide, is one that is produced by a natural terrestrial nuclear reaction, other than a reaction beginning with cosmic rays (the latter nuclides by convention are called by the different term cosmogenic).
See Chemical element and Nucleogenic
Nucleon
In physics and chemistry, a nucleon is either a proton or a neutron, considered in its role as a component of an atomic nucleus.
See Chemical element and Nucleon
Nucleophile
In chemistry, a nucleophile is a chemical species that forms bonds by donating an electron pair.
See Chemical element and Nucleophile
Nucleosynthesis
Nucleosynthesis is the process that creates new atomic nuclei from pre-existing nucleons (protons and neutrons) and nuclei.
See Chemical element and Nucleosynthesis
Nutrition
Nutrition is the biochemical and physiological process by which an organism uses food to support its life.
See Chemical element and Nutrition
Observable universe
The observable universe is a ball-shaped region of the universe consisting of all matter that can be observed from Earth or its space-based telescopes and exploratory probes at the present time; the electromagnetic radiation from these objects has had time to reach the Solar System and Earth since the beginning of the cosmological expansion.
See Chemical element and Observable universe
Octahedron
In geometry, an octahedron (octahedra or octahedrons) is a polyhedron with eight faces.
See Chemical element and Octahedron
Oganesson
Oganesson is a synthetic chemical element; it has symbol Og and atomic number 118. Chemical element and Oganesson are chemical elements.
See Chemical element and Oganesson
Organism
An organism is defined in a medical dictionary as any living thing that functions as an individual.
See Chemical element and Organism
Organometallic chemistry
Organometallic chemistry is the study of organometallic compounds, chemical compounds containing at least one chemical bond between a carbon atom of an organic molecule and a metal, including alkali, alkaline earth, and transition metals, and sometimes broadened to include metalloids like boron, silicon, and selenium, as well.
See Chemical element and Organometallic chemistry
Orthorhombic crystal system
In crystallography, the orthorhombic crystal system is one of the 7 crystal systems.
See Chemical element and Orthorhombic crystal system
Outer space
Outer space (or simply space) is the expanse that exists beyond Earth's atmosphere and between celestial bodies.
See Chemical element and Outer space
Oxygen
Oxygen is a chemical element; it has symbol O and atomic number 8. Chemical element and Oxygen are chemical elements.
See Chemical element and Oxygen
Paracelsus
Paracelsus (1493 – 24 September 1541), born Theophrastus von Hohenheim (full name Philippus Aureolus Theophrastus Bombastus von Hohenheim), was a Swiss physician, alchemist, lay theologian, and philosopher of the German Renaissance.
See Chemical element and Paracelsus
Parts-per notation
In science and engineering, the parts-per notation is a set of pseudo-units to describe small values of miscellaneous dimensionless quantities, e.g. mole fraction or mass fraction.
See Chemical element and Parts-per notation
Period (periodic table)
A period on the periodic table is a row of chemical elements.
See Chemical element and Period (periodic table)
Periodic systems of small molecules
Periodic systems of molecules are charts of molecules similar to the periodic table of the elements.
See Chemical element and Periodic systems of small molecules
Periodic table
The periodic table, also known as the periodic table of the elements, is an ordered arrangement of the chemical elements into rows ("periods") and columns ("groups"). Chemical element and periodic table are chemical elements.
See Chemical element and Periodic table
Phosphorus
Phosphorus is a chemical element; it has symbol P and atomic number 15. Chemical element and Phosphorus are chemical elements.
See Chemical element and Phosphorus
Physical property
A physical property is any property of a physical system that is measurable.
See Chemical element and Physical property
Physical Review
Physical Review is a peer-reviewed scientific journal established in 1893 by Edward Nichols.
See Chemical element and Physical Review
Physics
Physics is the natural science of matter, involving the study of matter, its fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force.
See Chemical element and Physics
Platinum
Platinum is a chemical element; it has symbol Pt and atomic number 78. Chemical element and Platinum are chemical elements.
See Chemical element and Platinum
Plato
Plato (Greek: Πλάτων), born Aristocles (Ἀριστοκλῆς; – 348 BC), was an ancient Greek philosopher of the Classical period who is considered a foundational thinker in Western philosophy and an innovator of the written dialogue and dialectic forms.
See Chemical element and Plato
Plutonium
Plutonium is a chemical element; it has symbol Pu and atomic number 94. Chemical element and Plutonium are chemical elements.
See Chemical element and Plutonium
Polonium
Polonium is a chemical element; it has symbol Po and atomic number 84. Chemical element and Polonium are chemical elements.
See Chemical element and Polonium
Post-transition metal
The metallic elements in the periodic table located between the transition metals to their left and the chemically weak nonmetallic metalloids to their right have received many names in the literature, such as post-transition metals, poor metals, other metals, p-block metals and chemically weak metals.
See Chemical element and Post-transition metal
Potassium
Potassium is a chemical element; it has symbol K (from Neo-Latin kalium) and atomic number19. Chemical element and Potassium are chemical elements.
See Chemical element and Potassium
Prices of chemical elements
This is a list of prices of chemical elements.
See Chemical element and Prices of chemical elements
Primordial nuclide
In geochemistry, geophysics and nuclear physics, primordial nuclides, also known as primordial isotopes, are nuclides found on Earth that have existed in their current form since before Earth was formed.
See Chemical element and Primordial nuclide
Principle (chemistry)
Principle, in chemistry, refers to a historical concept of the constituents of a substance, specifically those that produce a certain quality or effect in the substance, such as a bitter principle, which is any one of the numerous compounds having a bitter taste.
See Chemical element and Principle (chemistry)
Promethium
Promethium is a chemical element; it has symbol Pm and atomic number 61. Chemical element and Promethium are chemical elements.
See Chemical element and Promethium
Proper noun
A proper noun is a noun that identifies a single entity and is used to refer to that entity (Africa; Jupiter; Sarah; Walmart) as distinguished from a common noun, which is a noun that refers to a class of entities (continent, planet, person, corporation) and may be used when referring to instances of a specific class (a continent, another planet, these persons, our corporation).
See Chemical element and Proper noun
Protactinium
Protactinium is a chemical element; it has symbol Pa and atomic number 91. Chemical element and Protactinium are chemical elements.
See Chemical element and Protactinium
Protein
Proteins are large biomolecules and macromolecules that comprise one or more long chains of amino acid residues.
See Chemical element and Protein
Proton
A proton is a stable subatomic particle, symbol, H+, or 1H+ with a positive electric charge of +1 e (elementary charge).
See Chemical element and Proton
Radical (chemistry)
In chemistry, a radical, also known as a free radical, is an atom, molecule, or ion that has at least one unpaired valence electron.
See Chemical element and Radical (chemistry)
Radioactive decay
Radioactive decay (also known as nuclear decay, radioactivity, radioactive disintegration, or nuclear disintegration) is the process by which an unstable atomic nucleus loses energy by radiation.
See Chemical element and Radioactive decay
Radiogenic nuclide
A radiogenic nuclide is a nuclide that is produced by a process of radioactive decay.
See Chemical element and Radiogenic nuclide
Radionuclide
A radionuclide (radioactive nuclide, radioisotope or radioactive isotope) is a nuclide that has excess numbers of either neutrons or protons, giving it excess nuclear energy, and making it unstable.
See Chemical element and Radionuclide
Radium
Radium is a chemical element; it has symbol Ra and atomic number 88. Chemical element and Radium are chemical elements.
See Chemical element and Radium
Radon
Radon is a chemical element; it has symbol Rn and atomic number 86. Chemical element and Radon are chemical elements.
See Chemical element and Radon
Rare-earth element
The rare-earth elements (REE), also called the rare-earth metals or rare earths or, in context, rare-earth oxides, and sometimes the lanthanides (although scandium and yttrium, which do not belong to this series, are usually included as rare earths), are a set of 17 nearly indistinguishable lustrous silvery-white soft heavy metals.
See Chemical element and Rare-earth element
Ratio
In mathematics, a ratio shows how many times one number contains another.
See Chemical element and Ratio
Red blood cell
Red blood cells (RBCs), referred to as erythrocytes (with -cyte translated as 'cell' in modern usage) in academia and medical publishing, also known as red cells, erythroid cells, and rarely haematids, are the most common type of blood cell and the vertebrate's principal means of delivering oxygen to the body tissues—via blood flow through the circulatory system.
See Chemical element and Red blood cell
Regular polyhedron
A regular polyhedron is a polyhedron whose symmetry group acts transitively on its flags.
See Chemical element and Regular polyhedron
Relative atomic mass
Relative atomic mass (symbol: A; sometimes abbreviated RAM or r.a.m.), also known by the deprecated synonym atomic weight, is a dimensionless physical quantity defined as the ratio of the average mass of atoms of a chemical element in a given sample to the atomic mass constant.
See Chemical element and Relative atomic mass
Reviews of Modern Physics
Reviews of Modern Physics (often abbreviated RMP) is a quarterly peer-reviewed scientific journal published by the American Physical Society.
See Chemical element and Reviews of Modern Physics
Rhenium
Rhenium is a chemical element; it has symbol Re and atomic number 75. Chemical element and Rhenium are chemical elements.
See Chemical element and Rhenium
Robert Boyle
Robert Boyle (25 January 1627 – 31 December 1691) was an Anglo-Irish natural philosopher, chemist, physicist, alchemist and inventor.
See Chemical element and Robert Boyle
Roentgenium
Roentgenium is a synthetic chemical element; it has symbol Rg and atomic number 111. Chemical element and Roentgenium are chemical elements.
See Chemical element and Roentgenium
Roles of chemical elements
This table is designed to show the role(s) performed by each chemical element, in nature and in technology. Chemical element and roles of chemical elements are chemical elements.
See Chemical element and Roles of chemical elements
Science
Science is a strict systematic discipline that builds and organizes knowledge in the form of testable hypotheses and predictions about the world.
See Chemical element and Science
Seawater
Seawater, or sea water, is water from a sea or ocean.
See Chemical element and Seawater
Semiconductor
A semiconductor is a material that has an electrical conductivity value falling between that of a conductor, such as copper, and an insulator, such as glass.
See Chemical element and Semiconductor
Silicon
Silicon is a chemical element; it has symbol Si and atomic number 14. Chemical element and Silicon are chemical elements.
See Chemical element and Silicon
Silver
Silver is a chemical element; it has symbol Ag (derived from Proto-Indo-European ''*h₂erǵ'')) and atomic number 47. A soft, white, lustrous transition metal, it exhibits the highest electrical conductivity, thermal conductivity, and reflectivity of any metal. The metal is found in the Earth's crust in the pure, free elemental form ("native silver"), as an alloy with gold and other metals, and in minerals such as argentite and chlorargyrite. Chemical element and silver are chemical elements.
See Chemical element and Silver
Society
A society is a group of individuals involved in persistent social interaction or a large social group sharing the same spatial or social territory, typically subject to the same political authority and dominant cultural expectations.
See Chemical element and Society
Sodium
Sodium is a chemical element; it has symbol Na (from Neo-Latin natrium) and atomic number 11. Chemical element and Sodium are chemical elements.
See Chemical element and Sodium
Solar System
The Solar SystemCapitalization of the name varies.
See Chemical element and Solar System
Solid
Solid is one of the four fundamental states of matter along with liquid, gas, and plasma.
See Chemical element and Solid
Spiral galaxy
Spiral galaxies form a class of galaxy originally described by Edwin Hubble in his 1936 work The Realm of the Nebulae (pp. 124–151) and, as such, form part of the Hubble sequence.
See Chemical element and Spiral galaxy
Spontaneous fission
Spontaneous fission (SF) is a form of radioactive decay in which a heavy atomic nucleus splits into two or more lighter nuclei.
See Chemical element and Spontaneous fission
Stable nuclide
Stable nuclides are nuclides that are not radioactive and so (unlike radionuclides) do not spontaneously undergo radioactive decay.
See Chemical element and Stable nuclide
Standard atomic weight
The standard atomic weight of a chemical element (symbol Ar°(E) for element "E") is the weighted arithmetic mean of the relative isotopic masses of all isotopes of that element weighted by each isotope's abundance on Earth.
See Chemical element and Standard atomic weight
Standard enthalpy of formation
In chemistry and thermodynamics, the standard enthalpy of formation or standard heat of formation of a compound is the change of enthalpy during the formation of 1 mole of the substance from its constituent elements in their reference state, with all substances in their standard states.
See Chemical element and Standard enthalpy of formation
Standard temperature and pressure
Standard temperature and pressure (STP) or Standard conditions for temperature and pressure are various standard sets of conditions for experimental measurements used to allow comparisons to be made between different sets of data.
See Chemical element and Standard temperature and pressure
State of matter
In physics, a state of matter is one of the distinct forms in which matter can exist.
See Chemical element and State of matter
Stellar nucleosynthesis
In astrophysics, stellar nucleosynthesis is the creation of chemical elements by nuclear fusion reactions within stars.
See Chemical element and Stellar nucleosynthesis
Sulfur
Sulfur (also spelled sulphur in British English) is a chemical element; it has symbol S and atomic number 16. Chemical element and Sulfur are chemical elements.
See Chemical element and Sulfur
Supernova
A supernova (supernovae or supernovas) is a powerful and luminous explosion of a star.
See Chemical element and Supernova
Supernova nucleosynthesis
Supernova nucleosynthesis is the nucleosynthesis of chemical elements in supernova explosions.
See Chemical element and Supernova nucleosynthesis
Synthetic element
A synthetic element is one of 24 known chemical elements that do not occur naturally on Earth: they have been created by human manipulation of fundamental particles in a nuclear reactor, a particle accelerator, or the explosion of an atomic bomb; thus, they are called "synthetic", "artificial", or "man-made".
See Chemical element and Synthetic element
Systematic element name
A systematic element name is the temporary name assigned to an unknown or recently synthesized chemical element.
See Chemical element and Systematic element name
Table of nuclides
A table or chart of nuclides is a two-dimensional graph of isotopes of the elements, in which one axis represents the number of neutrons (symbol N) and the other represents the number of protons (atomic number, symbol Z) in the atomic nucleus.
See Chemical element and Table of nuclides
Technetium
Technetium is a chemical element; it has symbol Tc and atomic number 43. Chemical element and Technetium are chemical elements.
See Chemical element and Technetium
Tennessine
Tennessine is a synthetic chemical element; it has symbol Ts and atomic number 117. Chemical element and Tennessine are chemical elements.
See Chemical element and Tennessine
Tetragonal crystal system
In crystallography, the tetragonal crystal system is one of the 7 crystal systems.
See Chemical element and Tetragonal crystal system
Tetrahedron
In geometry, a tetrahedron (tetrahedra or tetrahedrons), also known as a triangular pyramid, is a polyhedron composed of four triangular faces, six straight edges, and four vertices.
See Chemical element and Tetrahedron
The New York Times
The New York Times (NYT) is an American daily newspaper based in New York City.
See Chemical element and The New York Times
The Sceptical Chymist
The Sceptical Chymist: or Chymico-Physical Doubts & Paradoxes is the title of a book by Robert Boyle, published in London in 1661.
See Chemical element and The Sceptical Chymist
Theory of forms
In philosophy and specifically metaphysics, the theory of Forms, theory of Ideas, Platonic idealism, or Platonic realism is a theory widely credited to the Classical Greek philosopher Plato.
See Chemical element and Theory of forms
Thermochemistry
Thermochemistry is the study of the heat energy which is associated with chemical reactions and/or phase changes such as melting and boiling.
See Chemical element and Thermochemistry
Thorium
Thorium is a chemical element. Chemical element and Thorium are chemical elements.
See Chemical element and Thorium
Timaeus (dialogue)
Timaeus (Timaios) is one of Plato's dialogues, mostly in the form of long monologues given by Critias and Timaeus, written 360 BC.
See Chemical element and Timaeus (dialogue)
Tin
Tin is a chemical element; it has symbol Sn and atomic number 50. Chemical element and Tin are chemical elements.
Traité Élémentaire de Chimie
Traité élémentaire de chimie (Elementary Treatise on Chemistry) is a textbook written by Antoine Lavoisier published in 1789 and translated into English by Robert Kerr in 1790 under the title Elements of Chemistry in a New Systematic Order containing All the Modern Discoveries.
See Chemical element and Traité Élémentaire de Chimie
Transition metal
In chemistry, a transition metal (or transition element) is a chemical element in the d-block of the periodic table (groups 3 to 12), though the elements of group 12 (and less often group 3) are sometimes excluded.
See Chemical element and Transition metal
Transuranium element
The transuranium elements (also known as transuranic elements) are the chemical elements with atomic numbers greater than 92, which is the atomic number of uranium.
See Chemical element and Transuranium element
Tritium
Tritium or hydrogen-3 (symbol T or H) is a rare and radioactive isotope of hydrogen with half-life ~12.3 years.
See Chemical element and Tritium
Tungsten
Tungsten (also called wolfram) is a chemical element; it has symbol W and atomic number 74. Chemical element and Tungsten are chemical elements.
See Chemical element and Tungsten
University of California, Los Angeles
The University of California, Los Angeles (UCLA) is a public land-grant research university in Los Angeles, California, United States.
See Chemical element and University of California, Los Angeles
Uranium
Uranium is a chemical element; it has symbol U and atomic number 92. Chemical element and Uranium are chemical elements.
See Chemical element and Uranium
Uranium-235
Uranium-235 (235U or U-235) is an isotope of uranium making up about 0.72% of natural uranium.
See Chemical element and Uranium-235
Vertebrate
Vertebrates are deuterostomal animals with bony or cartilaginous axial endoskeleton — known as the vertebral column, spine or backbone — around and along the spinal cord, including all fish, amphibians, reptiles, birds and mammals.
See Chemical element and Vertebrate
Water
Water is an inorganic compound with the chemical formula.
See Chemical element and Water
Water (classical element)
Water is one of the classical elements in ancient Greek philosophy along with air, earth and fire, in the Asian Indian system Panchamahabhuta, and in the Chinese cosmological and physiological system Wu Xing.
See Chemical element and Water (classical element)
Wilkinson Microwave Anisotropy Probe
The Wilkinson Microwave Anisotropy Probe (WMAP), originally known as the Microwave Anisotropy Probe (MAP and Explorer 80), was a NASA spacecraft operating from 2001 to 2010 which measured temperature differences across the sky in the cosmic microwave background (CMB) – the radiant heat remaining from the Big Bang.
See Chemical element and Wilkinson Microwave Anisotropy Probe
Yttrium
Yttrium is a chemical element; it has symbol Y and atomic number 39. Chemical element and Yttrium are chemical elements.
See Chemical element and Yttrium
Zinc
Zinc is a chemical element with the symbol Zn and atomic number 30. Chemical element and Zinc are chemical elements.
References
Also known as Chemical Elements, Chemical element name, Element (chemistry), Elemental substance, Elementary substance, History of chemical elements, Light element, Molecular and atomic elements, Naturally occurring element, Nutritional chemical elements, Physical Elements, Pure element.
, Calcium, Californium, Caloric theory, Carbon, Carbon dioxide, Carbon nanotube, Carbon-12, Carbon-13, Carbon-14, Celsius, Cerium, Chemical bond, Chemical compound, Chemical database, Chemical engineering, Chemical property, Chemical reaction, Chemical structure, Chemical substance, Chemical symbol, Chemically inert, Chlorine, Chlorophyll, Chromium, Chronology of the universe, Classical element, Cluster decay, Cobalt, Composition of the human body, Copper, Cosmic ray, Cosmic ray spallation, Cosmogenic nuclide, Crystal structure, Cube, Cubic crystal system, Curium, Dalton (unit), Dark energy, Dark matter, Decay product, Densities of the elements (data page), Density, Deuterium, Diamond, Discovery of chemical elements, Dmitri Mendeleev, Dubna, Earth, Earth (classical element), Einsteinium, Electric charge, Electricity, Electron, Electronic effect, Electrophile, Element collecting, Empedocles, Engineering, Environmental health, European Nuclear Society, Fire (classical element), Fluorine, Francium, Fullerene, Gadolinium, Gallium, Gas, Geology, Glenn T. Seaborg, Gold, Goldschmidt classification, Graphene, Graphite, Group (periodic table), Hafnium, Half-life, Halogen, Hamish Hamilton, Heavy metals, Heavy water, Helium, Hemoglobin, Henry Moseley, Hexagonal crystal family, History of atomic theory, Hydrogen, Icosahedron, Inorganic chemistry, International Union of Pure and Applied Chemistry, Inverse beta decay, Iodine, Ion, Ionization, Iron, Isaac Watts, Island of stability, Isotope, Isotopes of hydrogen, Isotopes of magnesium, IUPAC/IUPAP Joint Working Party, Jöns Jacob Berzelius, John Dalton, John Murrell (chemist), Joint Institute for Nuclear Research, Kinetic isotope effect, Lanthanide, Lanthanum, Latin, Latin alphabet, Lead, Ligand, Light, Liquid, List of alternative nonmetal classes, List of chemical element naming controversies, List of chemical elements, List of fictional elements, materials, isotopes and subatomic particles, List of nuclides, Lithium, Los Alamos National Laboratory, Los Angeles Pierce College, Lutetium, Magnesium, Manufacturing, Mass, Mass number, Materials science, Medicine, Melting point, Mendelevium, Mercury (element), Metal, Metalloid, Metals of antiquity, Mineral (nutrient), Mixture, Modern era, Molar ionization energies of the elements, Molecular geometry, Molecule, Mollusc shell, Monoclinic crystal system, Monotonic function, NASA, Native element mineral, Natural number, Nature, Neo-Latin, Neodymium, Neon, Neptunium, Neutron, Neutron star, Neutron star merger, New World, Nickel, Niobium, Nitrogen, Noble gas, Nonmetal, Nuclear binding energy, Nuclear fission, Nuclear fusion, Nuclear physics, Nuclear reaction, Nuclear transmutation, Nucleic acid, Nucleogenic, Nucleon, Nucleophile, Nucleosynthesis, Nutrition, Observable universe, Octahedron, Oganesson, Organism, Organometallic chemistry, Orthorhombic crystal system, Outer space, Oxygen, Paracelsus, Parts-per notation, Period (periodic table), Periodic systems of small molecules, Periodic table, Phosphorus, Physical property, Physical Review, Physics, Platinum, Plato, Plutonium, Polonium, Post-transition metal, Potassium, Prices of chemical elements, Primordial nuclide, Principle (chemistry), Promethium, Proper noun, Protactinium, Protein, Proton, Radical (chemistry), Radioactive decay, Radiogenic nuclide, Radionuclide, Radium, Radon, Rare-earth element, Ratio, Red blood cell, Regular polyhedron, Relative atomic mass, Reviews of Modern Physics, Rhenium, Robert Boyle, Roentgenium, Roles of chemical elements, Science, Seawater, Semiconductor, Silicon, Silver, Society, Sodium, Solar System, Solid, Spiral galaxy, Spontaneous fission, Stable nuclide, Standard atomic weight, Standard enthalpy of formation, Standard temperature and pressure, State of matter, Stellar nucleosynthesis, Sulfur, Supernova, Supernova nucleosynthesis, Synthetic element, Systematic element name, Table of nuclides, Technetium, Tennessine, Tetragonal crystal system, Tetrahedron, The New York Times, The Sceptical Chymist, Theory of forms, Thermochemistry, Thorium, Timaeus (dialogue), Tin, Traité Élémentaire de Chimie, Transition metal, Transuranium element, Tritium, Tungsten, University of California, Los Angeles, Uranium, Uranium-235, Vertebrate, Water, Water (classical element), Wilkinson Microwave Anisotropy Probe, Yttrium, Zinc.