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133 relations: A (disambiguation), Ab initio methods (nuclear physics), Actinide, Alkali metal, Alkaline earth metal, Alpha decay, Alpha particle, Atom, Atomic mass, Atomic nucleus, Atomic number, Berkelium, Beta decay, Beta-decay stable isobars, Binding energy, Boson, Caesium, Californium, Carbon-12, Charge radius, Chemical element, Chemistry, Chicago Pile-1, Copernicium, Copper, Decay scheme, Depleted uranium, Deuterium, Double electron capture, Einsteinium, Electron capture, Even and odd atomic nuclei, Fast fission, Fay Ajzenberg-Selove, Fermium, Fissile material, Fission barrier, Fission product yield, Flerovium, Fluorine, Gallium, Geochemistry, Glossary of biology, Glossary of chemistry terms, Glossary of civil engineering, Glossary of engineering, Glossary of physics, Glossary of structural engineering, Halo nucleus, Halogen, ..., Index of physics articles (M), Indium, Iridium, ISO 31-8, Isobar (nuclide), Isodiapher, Isotone, Isotope, Isotopes of copernicium, Isotopes of darmstadtium, Isotopes of hassium, Isotopes of krypton, Isotopes of nitrogen, Isotopes of oxygen, Isotopes of silicon, Isotopes of thorium, Isotopes of vanadium, Isotopically pure diamond, James Chadwick, K-value, Karlsruhe Nuclide Chart, Latin letters used in mathematics, Lawrencium, List of common physics notations, List of equations in nuclear and particle physics, Livermorium, Mass (mass spectrometry), Mass excess, Mattauch isobar rule, Mendeleev's predicted elements, Meter water equivalent, Moscovium, MOX fuel, Neutron, Neutron capture, Neutron number, Neutron poison, Nobelium, Nuclear density, Nuclear force, Nuclear fuel cycle, Nuclear reaction, Nuclear structure, Nucleon, Nucleon pair breaking in fission, Nuclide, P-nuclei, Period 6 element, Phosphorus-32, Photoevaporation, Plutonium, Plutonium-240, Promethium, Prout's hypothesis, Radiation length, Radioactive decay, Radioactive displacement law of Fajans and Soddy, Radiopharmaceutical, Radium, Relativistic Heavy Ion Collider, S-process, Silicon, Specific activity, Spectral Database for Organic Compounds, Spontaneous fission, Stable nuclide, Stellar nucleosynthesis, Strontium, Subatomic particle, Symbol (chemistry), Technetium, Technetium-99m, Thorium, Tin, Uranium-232, Valley of stability, Vanadium, Whole number rule, Woods–Saxon potential, Yttrium, Zinc, 23 (number), 239 (number). Expand index (83 more) »
A (disambiguation)
A is the first letter of the Latin alphabet.
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Ab initio methods (nuclear physics)
In nuclear physics, ab initio methods seek to describe the atomic nucleus from the ground up by solving the non-relativistic Schrödinger equation for all constituent nucleons and the forces between them.
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Actinide
The actinide or actinoid (IUPAC nomenclature) series encompasses the 15 metallic chemical elements with atomic numbers from 89 to 103, actinium through lawrencium.
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Alkali metal
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.
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Alkaline earth metal
The alkaline earth metals are six chemical elements in group 2 of the periodic table.
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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 an atom with a mass number that is reduced by four and an atomic number that is reduced by two.
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Alpha particle
Alpha particles consist of two protons and two neutrons bound together into a particle identical to a helium-4 nucleus.
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Atom
An atom is the smallest constituent unit of ordinary matter that has the properties of a chemical element.
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Atomic mass
The atomic mass (ma) is the mass of an atom.
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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.
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Atomic number
The atomic number or proton number (symbol Z) of a chemical element is the number of protons found in the nucleus of an atom.
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Berkelium
Berkelium is a transuranic radioactive chemical element with symbol Bk and atomic number 97.
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Beta decay
In nuclear physics, beta decay (β-decay) is a type of radioactive decay in which a beta ray (fast energetic electron or positron) and a neutrino are emitted from an atomic nucleus.
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Beta-decay stable isobars
Beta-decay stable isobars are the set of nuclides which cannot undergo beta decay, that is, the transformation of a neutron to a proton or a proton to a neutron within the nucleus.
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Binding energy
Binding energy (also called separation energy) is the minimum energy required to disassemble a system of particles into separate parts.
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Boson
In quantum mechanics, a boson is a particle that follows Bose–Einstein statistics.
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Caesium
Caesium (British spelling and IUPAC spelling) or cesium (American spelling) is a chemical element with symbol Cs and atomic number 55.
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Californium
Californium is a radioactive chemical element with symbol Cf and atomic number 98.
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Carbon-12
Carbon-12 is the more abundant of the two stable isotopes of carbon (Carbon-13 being the other), amounting to 98.93% of the element carbon; its abundance is due to the triple-alpha process by which it is created in stars.
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Charge radius
The rms charge radius is a measure of the size of an atomic nucleus, particularly of a proton or a deuteron.
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Chemical element
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).
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Chemistry
Chemistry is the scientific discipline involved with compounds composed of atoms, i.e. elements, and molecules, i.e. combinations of atoms: their composition, structure, properties, behavior and the changes they undergo during a reaction with other compounds.
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Chicago Pile-1
Chicago Pile-1 (CP-1) was the world's first nuclear reactor.
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Copernicium
Copernicium is a synthetic chemical element with symbol Cn and atomic number 112.
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Copper
Copper is a chemical element with symbol Cu (from cuprum) and atomic number 29.
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Decay scheme
The decay scheme of a radioactive substance is a graphical presentation of all the transitions occurring in a decay, and of their relationships.
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Depleted uranium
Depleted uranium (DU; also referred to in the past as Q-metal, depletalloy or D-38) is uranium with a lower content of the fissile isotope U-235 than natural uranium.
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Deuterium
Deuterium (or hydrogen-2, symbol or, also known as heavy hydrogen) is one of two stable isotopes of hydrogen (the other being protium, or hydrogen-1).
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Double electron capture
Double electron capture is a decay mode of atomic nucleus.
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Einsteinium
Einsteinium is a synthetic element with symbol Es and atomic number 99.
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Electron capture
Electron capture (K-electron capture, also K-capture, or L-electron capture, L-capture) is a process in which the proton-rich nucleus of an electrically neutral atom absorbs an inner atomic electron, usually from the K or L electron shell.
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Even and odd atomic nuclei
In nuclear physics, properties of a nucleus depend on evenness or oddness of its atomic number Z, neutron number N and, consequently, of their sum, the mass number A. Most notably, oddness of both Z and N tends to lower the nuclear binding energy, making odd nuclei, generally, less stable.
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Fast fission
Fast fission is fission that occurs when a heavy atom absorbs a high-energy neutron, called a fast neutron, and splits.
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Fay Ajzenberg-Selove
Fay Ajzenberg-Selove (February 13, 1926 – August 8, 2012) was an American nuclear physicist.
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Fermium
Fermium is a synthetic element with symbol Fm and atomic number 100.
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Fissile material
In nuclear engineering, fissile material is material capable of sustaining a nuclear fission chain reaction.
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Fission barrier
In nuclear physics and nuclear chemistry, the fission barrier is the activation energy required for a nucleus of an atom to undergo fission.
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Fission product yield
Nuclear fission splits a heavy nucleus such as uranium or plutonium into two lighter nuclei, which are called fission products.
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Flerovium
Flerovium is a superheavy artificial chemical element with symbol Fl and atomic number 114.
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Fluorine
Fluorine is a chemical element with symbol F and atomic number 9.
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Gallium
Gallium is a chemical element with symbol Ga and atomic number 31.
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Geochemistry
Geochemistry is the science that uses the tools and principles of chemistry to explain the mechanisms behind major geological systems such as the Earth's crust and its oceans.
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Glossary of biology
Most of the terms listed in Wikipedia glossaries are already defined and explained within Wikipedia itself.
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Glossary of chemistry terms
Most of the terms listed in Wikipedia glossaries are already defined and explained within Wikipedia itself.
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Glossary of civil engineering
Most of the terms listed in Wikipedia glossaries are already defined and explained within Wikipedia itself.
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Glossary of engineering
Most of the terms listed in Wikipedia glossaries are already defined and explained within Wikipedia itself.
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Glossary of physics
Most of the terms listed in Wikipedia glossaries are already defined and explained within Wikipedia itself.
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Glossary of structural engineering
Most of the terms listed in Wikipedia glossaries are already defined and explained within Wikipedia itself.
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Halo nucleus
In nuclear physics, an atomic nucleus is called a halo nucleus or is said to have a nuclear halo when it has a core nucleus surrounded by a "halo" of orbiting protons or neutrons, which makes the radius of the nucleus appreciably larger than that predicted by the liquid drop model.
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Halogen
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).
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Index of physics articles (M)
The index of physics articles is split into multiple pages due to its size.
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Indium
Indium is a chemical element with symbol In and atomic number 49.
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Iridium
Iridium is a chemical element with symbol Ir and atomic number 77.
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ISO 31-8
ISO 31-8 is the part of international standard ISO 31 that defines names and symbols for quantities and units related to physical chemistry and molecular physics.
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Isobar (nuclide)
Isobars are atoms (nuclides) of different chemical elements that have the same number of nucleons.
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Isodiapher
In nuclear physics and radioactivity, isodiaphers refers to nuclides which have different atomic numbers and mass numbers but the same neutron excess, which is the difference between numbers of neutrons and protons in the nucleus.
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Isotone
Two nuclides are isotones if they have the same neutron number N, but different proton number Z. For example, boron-12 and carbon-13 nuclei both contain 7 neutrons, and so are isotones.
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Isotope
Isotopes are variants of a particular chemical element which differ in neutron number.
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Isotopes of copernicium
Copernicium (112Cn) is a synthetic element, and thus a standard atomic weight cannot be given.
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Isotopes of darmstadtium
Darmstadtium (110Ds) is a synthetic element, and thus a standard atomic weight cannot be given.
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Isotopes of hassium
Hassium (108Hs) is a synthetic element, and thus a standard atomic weight cannot be given.
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Isotopes of krypton
There are 33 known isotopes of krypton (36Kr) with atomic mass numbers from 69 through 101.
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Isotopes of nitrogen
Natural nitrogen (7N) consists of two stable isotopes, nitrogen-14, which makes up the vast majority of naturally occurring nitrogen, and nitrogen-15, which is less common.
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Isotopes of oxygen
There are three known stable isotopes of oxygen (8O): 16O, 17O, and 18O.
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Isotopes of silicon
Silicon (14Si) has 25 known isotopes, with mass numbers ranging from 22 to 45.
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Isotopes of thorium
Although thorium (90Th) has 6 naturally occurring isotopes, none of these isotopes are stable; however, one isotope, 232Th, is relatively stable, with a half-life of 1.405×1010 years, considerably longer than the age of the Earth, and even slightly longer than the generally accepted age of the universe.
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Isotopes of vanadium
Naturally occurring vanadium (23V) is composed of one stable isotope 51V and one radioactive isotope 50V with a half-life of 1.5×1017 years.
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Isotopically pure diamond
An isotopical pure diamond is a type of diamond that is composed entirely of one isotope of carbon.
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James Chadwick
Sir James Chadwick, (20 October 1891 – 24 July 1974) was an English physicist who was awarded the 1935 Nobel Prize in Physics for his discovery of the neutron in 1932.
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K-value
K-value or k value may refer to.
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Karlsruhe Nuclide Chart
The Karlsruhe Nuclide Chart is a widespread table of nuclides in print.
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Latin letters used in mathematics
Many letters of the Latin alphabet, both capital and small, are used in mathematics, science and engineering to denote by convention specific or abstracted constants, variables of a certain type, units, multipliers, physical entities.
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Lawrencium
Lawrencium is a synthetic chemical element with symbol Lr (formerly Lw) and atomic number 103.
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List of common physics notations
This is a list of common physical constants and variables, and their notations.
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List of equations in nuclear and particle physics
This article summarizes equations in the theory of nuclear physics and particle physics.
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Livermorium
Livermorium is a synthetic chemical element with symbol Lv and atomic number 116.
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Mass (mass spectrometry)
The mass recorded by a mass spectrometer can refer to different physical quantities depending on the characteristics of the instrument and the manner in which the mass spectrum is displayed.
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Mass excess
The mass excess of a nuclide is the difference between its actual mass and its mass number in atomic mass units.
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Mattauch isobar rule
The Mattauch isobar rule, formulated by Josef Mattauch in 1934, states that if two adjacent elements on the periodic table have isotopes of the same mass number, one of these isotopes must be radioactive.
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Mendeleev's predicted elements
Dmitri Mendeleev published a periodic table of the chemical elements in 1869 based on properties that appeared with some regularity as he laid out the elements from lightest to heaviest.
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Meter water equivalent
In physics, the meter water equivalent (often m.w.e. or mwe) is a standard measure of cosmic ray attenuation in underground laboratories.
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Moscovium
Moscovium is a synthetic chemical element with symbol Mc and atomic number 115.
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MOX fuel
Mixed oxide fuel, commonly referred to as MOX fuel, is nuclear fuel that contains more than one oxide of fissile material, usually consisting of plutonium blended with natural uranium, reprocessed uranium, or depleted uranium.
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Neutron
| magnetic_moment.
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Neutron capture
Neutron capture is a nuclear reaction in which an atomic nucleus and one or more neutrons collide and merge to form a heavier nucleus.
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Neutron number
The neutron number, symbol N, is the number of neutrons in a nuclide.
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Neutron poison
In applications such as nuclear reactors, a neutron poison (also called a neutron absorber or a nuclear poison) is a substance with a large neutron absorption cross-section.
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Nobelium
Nobelium is a synthetic chemical element with symbol No and atomic number 102.
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Nuclear density
Nuclear density is the density of the nucleus of an atom, averaging about 2.3×1017 kg/m3.
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Nuclear force
The nuclear force (or nucleon–nucleon interaction or residual strong force) is a force that acts between the protons and neutrons of atoms.
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Nuclear fuel cycle
The nuclear fuel cycle, also called nuclear fuel chain, is the progression of nuclear fuel through a series of differing stages.
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Nuclear reaction
In nuclear physics and nuclear chemistry, a nuclear reaction is semantically considered to be the process in which two nuclei, or else a nucleus of an atom and a subatomic particle (such as a proton, neutron, or high energy electron) from outside the atom, collide to produce one or more nuclides that are different from the nuclide(s) that began the process.
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Nuclear structure
Understanding the structure of the atomic nucleus is one of the central challenges in nuclear physics.
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Nucleon
In chemistry and physics, a nucleon is either a proton or a neutron, considered in its role as a component of an atomic nucleus.
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Nucleon pair breaking in fission
Nucleon pair breaking in fission has been an important topic in nuclear physics for decades.
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Nuclide
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.
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P-nuclei
p-nuclei (p stands for proton-rich) are certain proton-rich, naturally occurring isotopes of some elements between selenium and mercury inclusive which cannot be produced in either the s- or the r-process.
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Period 6 element
A period 6 element is one of the chemical elements in the sixth row (or period) of the periodic table of the elements, including the lanthanides.
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Phosphorus-32
Phosphorus-32 is a radioactive isotope of phosphorus.
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Photoevaporation
Photoevaporation denotes the process where energetic radiation ionises gas and causes it to disperse away from the ionising source.
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Plutonium
Plutonium is a radioactive chemical element with symbol Pu and atomic number 94.
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Plutonium-240
Plutonium-240 (/Pu-240) is an isotope of the actinide metal plutonium formed when plutonium-239 captures a neutron.
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Promethium
Promethium is a chemical element with symbol Pm and atomic number 61.
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Prout's hypothesis
Prout's hypothesis was an early 19th-century attempt to explain the existence of the various chemical elements through a hypothesis regarding the internal structure of the atom.
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Radiation length
In physics, the radiation length is a characteristic of a material, related to the energy loss of high energy, electromagnetic-interacting particles with it.
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Radioactive decay
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.
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Radioactive displacement law of Fajans and Soddy
The law of radioactive displacements, also known as Fajans and Soddy law, in radiochemistry and nuclear physics, is a rule governing the transmutation of elements during radioactive decay.
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Radiopharmaceutical
Radiopharmaceuticals, or medicinal radiocompounds, are a group of pharmaceutical drugs which have radioactivity.
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Radium
Radium is a chemical element with symbol Ra and atomic number 88.
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Relativistic Heavy Ion Collider
The Relativistic Heavy Ion Collider (RHIC) is the first and one of only two operating heavy-ion colliders, and the only spin-polarized proton collider ever built.
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S-process
The slow neutron-capture process or s-process is a series of reactions in nuclear astrophysics that occur in stars, particularly AGB stars.
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Silicon
Silicon is a chemical element with symbol Si and atomic number 14.
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Specific activity
Specific activity is the activity per quantity of a radionuclide and is a physical property of that radionuclide.
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Spectral Database for Organic Compounds
The Spectral Database for Organic Compounds (SDBS) is a free online searchable database hosted by the National Institute of Advanced Industrial Science and Technology (AIST) in Japan, that contains spectral data for ca 34,000 organic molecules.
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Spontaneous fission
Spontaneous fission (SF) is a form of radioactive decay that is found only in very heavy chemical elements.
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Stable nuclide
Stable nuclides are nuclides that are not radioactive and so (unlike radionuclides) do not spontaneously undergo radioactive decay.
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Stellar nucleosynthesis
Stellar nucleosynthesis is the theory explaining the creation (nucleosynthesis) of chemical elements by nuclear fusion reactions between atoms within the stars.
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Strontium
Strontium is the chemical element with symbol Sr and atomic number 38.
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Subatomic particle
In the physical sciences, subatomic particles are particles much smaller than atoms.
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Symbol (chemistry)
In relation to the chemical elements, a symbol is a code for a chemical element.
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Technetium
Technetium is a chemical element with symbol Tc and atomic number 43.
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Technetium-99m
Technetium-99m is a metastable nuclear isomer of technetium-99 (itself an isotope of technetium), symbolized as 99mTc, that is used in tens of millions of medical diagnostic procedures annually, making it the most commonly used medical radioisotope.
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Thorium
Thorium is a weakly radioactive metallic chemical element with symbol Th and atomic number 90.
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Tin
Tin is a chemical element with the symbol Sn (from stannum) and atomic number 50.
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Uranium-232
Uranium-232 (U-232) is an isotope of uranium.
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Valley of stability
In nuclear physics, the valley of stability (also called the nuclear valley, energy valley, or beta stability valley) is a characterization of the stability of nuclides to radioactivity based on their binding energy.
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Vanadium
Vanadium is a chemical element with symbol V and atomic number 23.
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Whole number rule
The whole number rule states that the masses of the isotopes are whole number multiples of the mass of the hydrogen atom.
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Woods–Saxon potential
The Woods–Saxon potential is a mean field potential for the nucleons (protons and neutrons) inside the atomic nucleus, which is used to describe approximately the forces applied on each nucleon, in the nuclear shell model for the structure of the nucleus.
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Yttrium
Yttrium is a chemical element with symbol Y and atomic number 39.
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Zinc
Zinc is a chemical element with symbol Zn and atomic number 30.
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23 (number)
23 (twenty-three) is the natural number following 22 and preceding 24.
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239 (number)
239 (two hundred thirty-nine) is the natural number following 238 and preceding 240.
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Redirects here:
Atomic Mass Number, Atomic mass number, Mass Number, Nucleon number.
References
[1] https://en.wikipedia.org/wiki/Mass_number
