194 relations: Accelerator mass spectrometry, Actinide, Actinium, Alkali metal, Alkaline earth metal, Alpha decay, Alpha particle, American Journal of Physics, Amnon Marinov, Aqueous solution, Atomic Data and Nuclear Data Tables, Atomic number, Atomic orbital, Atomic radius, Aufbau principle, Barn (unit), Berkelium, Block (periodic table), Bohr model, Boiling point, Boron group, Caesium, Calcium, Calcium-48, Carbon group, Carbonyl group, Cerium, CERN, Chalcogen, Chemical element, Chemistry World, Congener (chemistry), Copernicium, Copper, Covalent bond, Covalent radius, Cross section (physics), Cyanide, Darmstadt, Decay product, Density, Dirac equation, Dirac sea, Dubna, Eigenvalues and eigenvectors, Electron configuration, Electronvolt, Enthalpy, Erbium, Extended periodic table, ..., Extended periodic table (large version), Fine-structure constant, Flerovium, Fluoride, Fluorine, Francium, Georgy Flyorov, Germanium, Germany, Glenn T. Seaborg, Gold, Grand Accélérateur National d'Ions Lourds, Group (periodic table), Group 10 element, Group 11 element, Group 12 element, Group 3 element, Group 4 element, Group 5 element, Group 6 element, Group 7 element, Group 8 element, Group 9 element, GSI Helmholtz Centre for Heavy Ion Research, Half-life, Halogen, Hardness, Hartree–Fock method, Hebrew University of Jerusalem, Homology (chemistry), HSAB theory, Hyperdeformation, Hypernucleus, Imaginary number, Inert pair effect, International Journal of Modern Physics, International Union of Pure and Applied Chemistry, Iodide, Ion, Ionic radius, Ionization energy, Iron, Island of stability, Isotopes of californium, Isotopes of iron, Isotopes of xenon, John Emsley, John Wiley & Sons, Joint Institute for Nuclear Research, Joule per mole, Klein paradox, Lanthanide, Lanthanide contraction, Lanthanum, Lead, Lewis acids and bases, Ligand, Linear molecular geometry, Liquid, Livermorium, Lutetium, Magic number (physics), Magnesium, Mass spectrometry, McGraw-Hill Education, Melting point, Mercury (element), Metallic bonding, Microsecond, Molybdenum, Nature (journal), Nature Physics, Neptunium, Neutron, Nickel, Nihonium, Noble gas, Nuclear drip line, Nuclear isomer, Nuclear shell model, Nucleon, Nuclide, Oganesson, Orbital hybridisation, Osmium, Oxidation state, Pair production, Pauli exclusion principle, Pekka Pyykkö, Period (periodic table), Periodic table, Phosphorus trifluoride, Picometre, Plutonium, Plutonium-244, Pnictogen, Positron, Potassium, Primordial nuclide, Proton, Quantum mechanics, Radioactive decay, Radium, Reactivity (chemistry), Relativistic quantum chemistry, Richard Feynman, Riken, Roentgenium, Royal Society of Chemistry, Rubidium, Sodium, Solid, Speed of light, Spin–orbit interaction, Springer Science+Business Media, Standard atomic weight, Standard conditions for temperature and pressure, Strontium, Superdeformation, Synthetic element, Systematic element name, Table of nuclides (combined), Tantalum, Tennessine, Tetrahedral molecular geometry, The Economist, Theory of relativity, Thorium, Thorium tetrafluoride, Titanium, Unbinilium, Unbiunium, Unified atomic mass unit, Universal linear accelerator, Ununennium, Uranium, Uranium hexafluoride, Uranium hexoxide, Uranium-238, Uranyl, Walter Greiner, Wave function, World Scientific, Xenon. Expand index (144 more) » « Shrink index
Accelerator mass spectrometry (AMS) is a form of mass spectrometry that accelerates ions to extraordinarily high kinetic energies before mass analysis.
The actinide or actinoid (IUPAC nomenclature) series encompasses the 15 metallic chemical elements with atomic numbers from 89 to 103, actinium through lawrencium.
Actinium is a chemical element with symbol Ac and atomic number 89.
The alkali metals are a group (column) in the periodic table consisting of the chemical elements lithium (Li), sodium (Na), potassium (K),The symbols Na and K for sodium and potassium are derived from their Latin names, natrium and kalium; these are still the names for the elements in some languages, such as German and Russian.
The alkaline earth metals are six chemical elements in group 2 of the periodic table.
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 an atom with a mass number that is reduced by four and an atomic number that is reduced by two.
Alpha particles consist of two protons and two neutrons bound together into a particle identical to a helium-4 nucleus.
The American Journal of Physics is a monthly, peer-reviewed scientific journal published by the American Association of Physics Teachers and the American Institute of Physics.
Amnon Marinov (1930 –2011) was born in Jerusalem in 1930 to parents who emigrated from Russia in the 1920s.
An aqueous solution is a solution in which the solvent is water.
Atomic Data and Nuclear Data Tables is a quarterly peer-reviewed scientific journal covering nuclear physics.
The atomic number or proton number (symbol Z) of a chemical element is the number of protons found in the nucleus of an atom.
In quantum mechanics, an atomic orbital is a mathematical function that describes the wave-like behavior of either one electron or a pair of electrons in an atom.
The atomic radius of a chemical element is a measure of the size of its atoms, usually the mean or typical distance from the center of the nucleus to the boundary of the surrounding cloud of electrons.
The aufbau principle states that in the ground state of an atom or ion, electrons fill atomic orbitals of the lowest available energy levels before occupying higher levels.
A barn (symbol: b) is a unit of area equal to 10−28 m2 (100 fm2).
Berkelium is a transuranic radioactive chemical element with symbol Bk and atomic number 97.
A block of the periodic table of elements is a set of adjacent groups.
In atomic physics, the Rutherford–Bohr model or Bohr model or Bohr diagram, introduced by Niels Bohr and Ernest Rutherford in 1913, depicts the atom as a small, positively charged nucleus surrounded by electrons that travel in circular orbits around the nucleus—similar to the structure of the Solar System, but with attraction provided by electrostatic forces rather than gravity.
The boiling point of a substance is the temperature at which the vapor pressure of the liquid equals the pressure surrounding the liquid and the liquid changes into a vapor.
The boron group are the chemical elements in group 13 of the periodic table, comprising boron (B), aluminium (Al), gallium (Ga), indium (In), thallium (Tl), and perhaps also the chemically uncharacterized nihonium (Nh).
Caesium (British spelling and IUPAC spelling) or cesium (American spelling) is a chemical element with symbol Cs and atomic number 55.
Calcium is a chemical element with symbol Ca and atomic number 20.
Calcium-48 is a scarce isotope of calcium containing 20 protons and 28 neutrons.
The carbon group is a periodic table group consisting of carbon (C), silicon (Si), germanium (Ge), tin (Sn), lead (Pb), and flerovium (Fl).
In organic chemistry, a carbonyl group is a functional group composed of a carbon atom double-bonded to an oxygen atom: C.
Cerium is a chemical element with symbol Ce and atomic number 58.
The European Organization for Nuclear Research (Organisation européenne pour la recherche nucléaire), known as CERN (derived from the name Conseil européen pour la recherche nucléaire), is a European research organization that operates the largest particle physics laboratory in the world.
The chalcogens are the chemical elements in group 16 of the periodic table.
A chemical element is a species of atoms having the same number of protons in their atomic nuclei (that is, the same atomic number, or Z).
Chemistry World is a monthly chemistry news magazine published by the Royal Society of Chemistry.
Christmas is an annual festival commemorating the birth of Jesus Christ,Martindale, Cyril Charles.
The Christmas season, also called the festive season, or the holiday season (mainly in the U.S. and Canada; often simply called the holidays),, is an annually recurring period recognized in many Western and Western-influenced countries that is generally considered to run from late November to early January.
Christmas Eve is the evening or entire day before Christmas Day, the festival commemorating the birth of Jesus.
Christmas traditions vary from country to country.
In chemistry, congeners are related chemical substances "related to each other by origin, structure, or function".
Copernicium is a synthetic chemical element with symbol Cn and atomic number 112.
Copper is a chemical element with symbol Cu (from cuprum) and atomic number 29.
A covalent bond, also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms.
The covalent radius, rcov, is a measure of the size of an atom that forms part of one covalent bond.
When two particles interact, their mutual cross section is the area transverse to their relative motion within which they must meet in order to scatter from each other.
A cyanide is a chemical compound that contains the group C≡N.
Darmstadt is a city in the state of Hesse in Germany, located in the southern part of the Rhine-Main-Area (Frankfurt Metropolitan Region).
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.
The density, or more precisely, the volumetric mass density, of a substance is its mass per unit volume.
In particle physics, the Dirac equation is a relativistic wave equation derived by British physicist Paul Dirac in 1928.
The Dirac sea is a theoretical model of the vacuum as an infinite sea of particles with negative energy.
Dubna (p) is a town in Moscow Oblast, Russia.
In linear algebra, an eigenvector or characteristic vector of a linear transformation is a non-zero vector that changes by only a scalar factor when that linear transformation is applied to it.
In atomic physics and quantum chemistry, the electron configuration is the distribution of electrons of an atom or molecule (or other physical structure) in atomic or molecular orbitals.
In physics, the electronvolt (symbol eV, also written electron-volt and electron volt) is a unit of energy equal to approximately joules (symbol J).
Enthalpy is a property of a thermodynamic system.
Erbium is a chemical element with symbol Er and atomic number 68.
An extended periodic table theorizes about elements beyond oganesson (beyond period 7, or row 7).
This is a large version of the extended periodic table of the chemical elements.
In physics, the fine-structure constant, also known as Sommerfeld's constant, commonly denoted (the Greek letter ''alpha''), is a fundamental physical constant characterizing the strength of the electromagnetic interaction between elementary charged particles.
Flerovium is a superheavy artificial chemical element with symbol Fl and atomic number 114.
Fluorine is a chemical element with symbol F and atomic number 9.
Francium is a chemical element with symbol Fr and atomic number 87.
Georgy Nikolayevich Flyorov (p; 2 March 1913 – 19 November 1990) was a Russian physicist who is known for his discovery of spontaneous fission and his contribution towards the physics of thermal reactions.
Germanium is a chemical element with symbol Ge and atomic number 32.
Germany (Deutschland), officially the Federal Republic of Germany (Bundesrepublik Deutschland), is a sovereign state in central-western Europe.
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.
Gold is a chemical element with symbol Au (from aurum) and atomic number 79, making it one of the higher atomic number elements that occur naturally.
The Grand Accélérateur National d’Ions Lourds (GANIL), or Large Heavy Ion National Accelerator, is a French national nuclear physics research center in Caen.
In chemistry, a group (also known as a family) is a column of elements in the periodic table of the chemical elements.
Group 10, numbered by current IUPAC style, is the group of chemical elements in the periodic table that consists of nickel (Ni), palladium (Pd), platinum (Pt), and perhaps also the chemically uncharacterized darmstadtium (Ds).
Group 11, by modern IUPAC numbering, is a group of chemical elements in the periodic table, consisting of copper (Cu), silver (Ag), and gold (Au).
Group 12, by modern IUPAC numbering, is a group of chemical elements in the periodic table.
Group 3 is a group of elements in the periodic table.
Group 4 is a group of elements in the periodic table.
Group 5 (by IUPAC style) is a group of elements in the periodic table.
Group 6, numbered by IUPAC style, is a group of elements in the periodic table.
Group 7, numbered by IUPAC nomenclature, is a group of elements in the periodic table.
Group 8 is a group of chemical element in the periodic table.
Group 9, numbered by IUPAC nomenclature, is a group of chemical element in the periodic table.
The GSI Helmholtz Centre for Heavy Ion Research (GSI Helmholtzzentrum für Schwerionenforschung) is a federally and state co-funded heavy ion research center in the Wixhausen suburb of Darmstadt, Germany.
Half-life (symbol t1⁄2) is the time required for a quantity to reduce to half its initial value.
The halogens are a group in the periodic table consisting of five chemically related elements: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At).
Hardness is a measure of the resistance to localized plastic deformation induced by either mechanical indentation or abrasion.
In computational physics and chemistry, the Hartree–Fock (HF) method is a method of approximation for the determination of the wave function and the energy of a quantum many-body system in a stationary state.
The Hebrew University of Jerusalem (האוניברסיטה העברית בירושלים, Ha-Universita ha-Ivrit bi-Yerushalayim; الجامعة العبرية في القدس, Al-Jami'ah al-Ibriyyah fi al-Quds; abbreviated HUJI) is Israel's second oldest university, established in 1918, 30 years before the establishment of the State of Israel.
In chemistry, homology is the appearance of homologues.
HSAB concept is an initialism for "hard and soft (Lewis) acids and bases".
In nuclear physics, hyperdeformation is theoretically predicted states of an atomic nucleus with extremely elongated shape and very high angular momentum.
A hypernucleus is a nucleus which contains at least one hyperon (a baryon carrying the strangeness quantum number) in addition to the normal protons and neutrons.
An imaginary number is a complex number that can be written as a real number multiplied by the imaginary unit,j is usually used in Engineering contexts where i has other meanings (such as electrical current) which is defined by its property.
The inert pair effect is the tendency of the two electrons in the outermost atomic ''s'' orbital to remain unionized or unshared in compounds of post-transition metals.
The International Journal of Modern Physics is a series of Physics journals published by World Scientific.
The International Union of Pure and Applied Chemistry (IUPAC) is an international federation of National Adhering Organizations that represents chemists in individual countries.
An iodide ion is the ion I−.
An ion is an atom or molecule that has a non-zero net electrical charge (its total number of electrons is not equal to its total number of protons).
Ionic radius, rion, is the radius of an atom's ion in ionic crystals structure.
The ionization energy (Ei) is qualitatively defined as the amount of energy required to remove the most loosely bound electron, the valence electron, of an isolated gaseous atom to form a cation.
Iron is a chemical element with symbol Fe (from ferrum) and atomic number 26.
In nuclear physics, the island of stability is the prediction that a set of heavy nuclides with a near magic number of protons and neutrons will temporarily reverse the trend of decreasing stability in elements heavier than uranium.
Californium (98Cf) is an artificial element, and thus a standard atomic weight cannot be given.
Naturally occurring iron (26Fe) consists of four stable isotopes: 5.845% of 54Fe (possibly radioactive with a half-life over 3.1×1022 years), 91.754% of 56Fe, 2.119% of 57Fe and 0.282% of 58Fe.
Naturally occurring xenon (54Xe) is made of eight stable isotopes and one very long-lived isotope.
Dr John Emsley (born 1938) is a UK popular science writer, broadcaster and academic specialising in chemistry.
John Wiley & Sons, Inc., also referred to as Wiley, is a global publishing company that specializes in academic publishing.
The Joint Institute for Nuclear Research (JINR, Объединённый институт ядерных исследований, ОИЯИ), in Dubna, Moscow Oblast (110 km north of Moscow), Russia, is an international research center for nuclear sciences, with 5500 staff members, 1200 researchers including 1000 Ph.Ds from eighteen member states (including Armenia, Azerbaijan, Belarus and Kazakhstan).
The joule per mole (symbol: J·mole−1 or J/mol) is an SI derived unit of energy per amount of material.
In 1929, physicist Oskar Klein obtained a surprising result by applying the Dirac equation to the familiar problem of electron scattering from a potential barrier.
The lanthanide or lanthanoid series of chemical elements comprises the 15 metallic chemical elements with atomic numbers 57 through 71, from lanthanum through lutetium.
The lanthanide contraction is the greater-than-expected decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, which results in smaller than otherwise expected ionic radii for the subsequent elements starting with 72, hafnium.
Lanthanum is a chemical element with symbol La and atomic number 57.
Lead is a chemical element with symbol Pb (from the Latin plumbum) and atomic number 82.
A Lewis acid is a chemical species that contains an empty orbital which is capable of accepting an electron pair from a Lewis base to form a Lewis adduct.
In coordination chemistry, a ligand is an ion or molecule (functional group) that binds to a central metal atom to form a coordination complex.
In chemistry, the linear molecular geometry describes the geometry around a central atom bonded to two other atoms (or ligands) placed at a bond-angle of 180°.
A liquid is a nearly incompressible fluid that conforms to the shape of its container but retains a (nearly) constant volume independent of pressure.
Livermorium is a synthetic chemical element with symbol Lv and atomic number 116.
Lutetium is a chemical element with symbol Lu and atomic number 71.
In nuclear physics, a magic number is a number of nucleons (either protons or neutrons, separately) such that they are arranged into complete shells within the atomic nucleus.
Magnesium is a chemical element with symbol Mg and atomic number 12.
Mass spectrometry (MS) is an analytical technique that ionizes chemical species and sorts the ions based on their mass-to-charge ratio.
McGraw-Hill Education (MHE) is a learning science company and one of the "big three" educational publishers that provides customized educational content, software, and services for pre-K through postgraduate education.
The melting point (or, rarely, liquefaction point) of a substance is the temperature at which it changes state from solid to liquid at atmospheric pressure.
Mercury is a chemical element with symbol Hg and atomic number 80.
Metallic bonding is a type of chemical bonding that arises from the electrostatic attractive force between conduction electrons (in the form of an electron cloud of delocalized electrons) and positively charged metal ions.
A microsecond is an SI unit of time equal to one millionth (0.000001 or 10−6 or 1/1,000,000) of a second.
Molybdenum is a chemical element with symbol Mo and atomic number 42.
Nature is a British multidisciplinary scientific journal, first published on 4 November 1869.
Nature Physics, is a monthly, peer reviewed, scientific journal published by the Nature Publishing Group.
Neptunium is a chemical element with symbol Np and atomic number 93.
New Year is the time or day at which a new calendar year begins and the calendar's year count increments by one.
New Year's Day, also called simply New Year's or New Year, is observed on January 1, the first day of the year on the modern Gregorian calendar as well as the Julian calendar.
In the Gregorian calendar, New Year's Eve (also known as Old Year's Day or Saint Sylvester's Day in many countries), the last day of the year, is on 31 December which is the seventh day of Christmastide.
Nickel is a chemical element with symbol Ni and atomic number 28.
Nihonium is a synthetic chemical element with symbol Nh and atomic number 113.
The noble gases (historically also the inert gases) make up a group of chemical elements with similar properties; under standard conditions, they are all odorless, colorless, monatomic gases with very low chemical reactivity.
The nuclear drip line is the boundary delimiting the zone beyond which atomic nuclei decay by the emission of a proton or neutron.
A nuclear isomer is a metastable state of an atomic nucleus caused by the excitation of one or more of its nucleons (protons or neutrons).
In nuclear physics and nuclear chemistry, the nuclear shell model is a model of the atomic nucleus which uses the Pauli exclusion principle to describe the structure of the nucleus in terms of energy levels.
In chemistry and physics, a nucleon is either a proton or a neutron, considered in its role as a component of an atomic nucleus.
A nuclide (from nucleus, also known as nuclear species) is an atomic species characterized by the specific constitution of its nucleus, i.e., by its number of protons Z, its number of neutrons N, and its nuclear energy state.
Oganesson is a synthetic chemical element with symbol Og and atomic number 118.
In chemistry, orbital hybridisation (or hybridization) is the concept of mixing atomic orbitals into new hybrid orbitals (with different energies, shapes, etc., than the component atomic orbitals) suitable for the pairing of electrons to form chemical bonds in valence bond theory.
Osmium (from Greek ὀσμή osme, "smell") is a chemical element with symbol Os and atomic number 76.
The oxidation state, sometimes referred to as oxidation number, describes degree of oxidation (loss of electrons) of an atom in a chemical compound.
Pair production is the creation of an elementary particle and its antiparticle from a neutral boson.
The Pauli exclusion principle is the quantum mechanical principle which states that two or more identical fermions (particles with half-integer spin) cannot occupy the same quantum state within a quantum system simultaneously.
Veli Pekka Pyykkö (October 12, 1941) is a Finnish academic.
A period in the periodic table is a horizontal row.
The periodic table is a tabular arrangement of the chemical elements, ordered by their atomic number, electron configuration, and recurring chemical properties, whose structure shows periodic trends.
Phosphorus trifluoride (formula PF3), is a colorless and odorless gas.
The picometre (international spelling as used by the International Bureau of Weights and Measures; SI symbol: pm) or picometer (American spelling) is a unit of length in the metric system, equal to, or one trillionth of a metre, which is the SI base unit of length.
Plutonium is a radioactive chemical element with symbol Pu and atomic number 94.
Plutonium-244 (244Pu) is an isotope of plutonium that has a half-life of 80 million years.
A pnictogen is one of the chemical elements in group 15 of the periodic table.
The positron or antielectron is the antiparticle or the antimatter counterpart of the electron.
Potassium is a chemical element with symbol K (from Neo-Latin kalium) and atomic number 19.
In geochemistry, geophysics and geonuclear 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.
Quantum mechanics (QM; also known as quantum physics, quantum theory, the wave mechanical model, or matrix mechanics), including quantum field theory, is a fundamental theory in physics which describes nature at the smallest scales of energy levels of atoms and subatomic particles.
Radioactive decay (also known as nuclear decay or radioactivity) is the process by which an unstable atomic nucleus loses energy (in terms of mass in its rest frame) by emitting radiation, such as an alpha particle, beta particle with neutrino or only a neutrino in the case of electron capture, gamma ray, or electron in the case of internal conversion.
Radium is a chemical element with symbol Ra and atomic number 88.
In chemistry, reactivity is the impetus for which a chemical substance undergoes a chemical reaction, either by itself or with other materials, with an overall release of energy.
Relativistic quantum chemistry combines relativistic mechanics with quantum chemistry to explain elemental properties and structure, especially for the heavier elements of the periodic table.
Richard Phillips Feynman (May 11, 1918 – February 15, 1988) was an American theoretical physicist, known for his work in the path integral formulation of quantum mechanics, the theory of quantum electrodynamics, and the physics of the superfluidity of supercooled liquid helium, as well as in particle physics for which he proposed the parton model.
is a large research institute in Japan.
Roentgenium is a chemical element with symbol Rg and atomic number 111.
The Royal Society of Chemistry (RSC) is a learned society (professional association) in the United Kingdom with the goal of "advancing the chemical sciences".
Rubidium is a chemical element with symbol Rb and atomic number 37.
Sodium is a chemical element with symbol Na (from Latin natrium) and atomic number 11.
Solid is one of the four fundamental states of matter (the others being liquid, gas, and plasma).
The speed of light in vacuum, commonly denoted, is a universal physical constant important in many areas of physics.
In quantum physics, the spin–orbit interaction (also called spin–orbit effect or spin–orbit coupling) is a relativistic interaction of a particle's spin with its motion inside a potential.
Springer Science+Business Media or Springer, part of Springer Nature since 2015, is a global publishing company that publishes books, e-books and peer-reviewed journals in science, humanities, technical and medical (STM) publishing.
The standard atomic weight (Ar, standard, a relative atomic mass) is the atomic weight (Ar) of a chemical element, as appearing and met in the earthly environment.
Standard conditions for temperature and pressure are standard sets of conditions for experimental measurements to be established to allow comparisons to be made between different sets of data.
Strontium is the chemical element with symbol Sr and atomic number 38.
In nuclear physics a superdeformed nucleus is a nucleus that is very far from spherical, forming an ellipsoid with axes in ratios of approximately 2:1:1.
In chemistry, a synthetic element is a chemical element that does not occur naturally on Earth, and can only be created artificially.
A systematic element name is the temporary name assigned to a newly synthesized or not yet synthesized chemical element.
The various tables below (scroll down) show the known isotopes of the chemical elements.
Tantalum is a chemical element with symbol Ta and atomic number 73.
Tennessine is a synthetic chemical element with symbol Ts and atomic number 117.
In a tetrahedral molecular geometry, a central atom is located at the center with four substituents that are located at the corners of a tetrahedron.
The Economist is an English-language weekly magazine-format newspaper owned by the Economist Group and edited at offices in London.
The theory of relativity usually encompasses two interrelated theories by Albert Einstein: special relativity and general relativity.
Thorium is a weakly radioactive metallic chemical element with symbol Th and atomic number 90.
Thorium(IV) fluoride (ThF4) is an inorganic chemical compound.
Titanium is a chemical element with symbol Ti and atomic number 22.
Unbinilium, also known as eka-radium or simply element 120, is the hypothetical chemical element in the periodic table with symbol Ubn and atomic number 120.
Unbiunium, also known as eka-actinium or element 121, is the hypothetical chemical element with symbol Ubu and atomic number 121.
The unified atomic mass unit or dalton (symbol: u, or Da) is a standard unit of mass that quantifies mass on an atomic or molecular scale (atomic mass).
The Universal Linear Accelerator (UNILAC) is a heavy ion linac based at the GSI Helmholtz Centre for Heavy Ion Research near Darmstadt, Germany.
Ununennium, also known as eka-francium or simply element 119, is the hypothetical chemical element with symbol Uue and atomic number 119.
Uranium is a chemical element with symbol U and atomic number 92.
Uranium hexafluoride, referred to as "hex" in the nuclear industry, is a compound used in the uranium enrichment process that produces fuel for nuclear reactors and nuclear weapons.
Uranium hexoxide is an unusual, theoretically possible compound of uranium in which the uranium atom would be attached to six oxygen atoms.
Uranium-238 (238U or U-238) is the most common isotope of uranium found in nature, with a relative abundance of 99%.
The uranyl ion is an oxycation of uranium in the oxidation state +6, with the chemical formula.
Walter Greiner (29 October 1935 – 6 October 2016) was a German theoretical physicist.
A wave function in quantum physics is a mathematical description of the quantum state of an isolated quantum system.
World Scientific Publishing is an academic publisher of scientific, technical, and medical books and journals headquartered in Singapore.
Xenon is a chemical element with symbol Xe and atomic number 54.
2018 has been designated as the third International Year of the Reef by the International Coral Reef Initiative.
2019 (MMXIX) will be a common year starting on Tuesday of the Gregorian calendar, the 2019th year of the Common Era (CE) and Anno Domini (AD) designations, the 19th year of the 3rd millennium, the 19th year of the 21st century, and the 10th and last year of the 2010s decade.
Binilnilium, Dvi-Lanthanum, Dvi-lanthanum, Dvilanthanum, Eight-period table, Eka-Actinium, Eka-Protactinium, Eka-Thorium, Eka-Uranium, Eka-actinium, Eka-americium, Eka-berkelium, Eka-bohrium, Eka-californium, Eka-copernicium, Eka-curium, Eka-darmstadtium, Eka-dubnium, Eka-einsteinium, Eka-fermium, Eka-flerovium, Eka-hassium, Eka-lawrencium, Eka-livermorium, Eka-meitnerium, Eka-mendelevium, Eka-neptunium, Eka-nobelium, Eka-plutonium, Eka-protactinium, Eka-roentgenium, Eka-rutherfordium, Eka-seaborgium, Eka-superactinide, Eka-superactinides, Eka-thorium, Eka-ununoctium, Eka-uranium, Ekaactinium, Ekaprotactinium, Ekathorium, Ekauranium, Element 122, Element 123, Element 124, Element 125, Element 126, Element 127, Element 128, Element 129, Element 130, Element 131, Element 132, Element 133, Element 134, Element 135, Element 136, Element 137, Element 138, Element 139, Element 140, Element 141, Element 142, Element 143, Element 144, Element 145, Element 146, Element 147, Element 148, Element 149, Element 150, Element 151, Element 152, Element 153, Element 154, Element 155, Element 156, Element 157, Element 158, Element 159, Element 160, Element 161, Element 162, Element 163, Element 164, Element 165, Element 166, Element 167, Element 168, Element 169, Element 170, Element 171, Element 172, Element 173, Element 174, Element 175, Element 176, Element 177, Element 178, Element 179, Element 180, Element 181, Element 182, Element 183, Element 184, Element 185, Element 186, Element 187, Element 188, Element 189, Element 190, Element 191, Element 192, Element 193, Element 194, Element 195, Element 196, Element 197, Element 198, Element 199, Element 200, Element 201, Element 202, Element 203, Element 204, Element 205, Element 206, Element 207, Element 208, Element 209, Element 210, Element 211, Element 212, Element 213, Element 214, Element 215, Element 216, Element 217, Element 218, Element 219, Element 220, Element 221, Element 222, Element 223, Element 224, Element 225, Element 226, Element 227, Element 228, Element 229, Element 230, Element 231, Element 232, End of the periodic table, Extension of the periodic table beyond the seventh period, Feynmanium, Fricke model, G (Block), G block, G orbital, G-block, G-orbital, Isotopes of unbibium, Isotopes of unbihexium, Isotopes of unbipentium, Isotopes of unbiquadium, Isotopes of unbiseptium, Isotopes of unbitrium, Isotopes of untriseptium, Jamesium, Period 10, Period 10 element, Period 8, Period 8 element, Period 9, Period 9 element, Periodic table (extended), Periodic table/Extended Table, Periodic table/extended, Predicted elements, Pyykkö model, Superactinide, Superactinide series, Superactinides, Superactinoid, Superlanthanide, Superlanthanides, Trihexbium, Ubh, Ubq, Unbibium, Unbiennium, Unbihexium, Unbioctium, Unbipentium, Unbiquadium, Unbiseptium, Unbitrium, Unhexbium, Unhexennium, Unhexhexium, Unhexnilium, Unhexoctium, Unhexpentium, Unhexquadium, Unhexseptium, Unhextrium, Unhexunium, Unoctbium, Unoctnilium, Unoctquadium, Unoctseptium, Unocttrium, Unoctunium, Unpentbium, Unpentennium, Unpenthexium, Unpentnilium, Unpentoctium, Unpentpentium, Unpentquadium, Unpentseptium, Unpenttrium, Unpentunium, Unquadbium, Unquadennium, Unquadhexium, Unquadnilium, Unquadoctium, Unquadpentium, Unquadquadium, Unquadseptium, Unquadtrium, Unquadunium, Unseptbium, Unseptennium, Unsepthexium, Unseptnilium, Unseptoctium, Unseptpentium, Unseptquadium, Unseptrium, Unseptseptium, Unsepttriium, Unsepttrium, Unseptunium, Untribium, Untriennium, Untrihexium, Untrinilium, Untrioctium, Untripentium, Untriquadium, Untriseptium, Untritrium, Untriunium, Uoq, Upq, Uqb, Uqe, Uqh, Uqn, Uqq, Uqs, Uqt, Utq.