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35 relations: Age of the universe, Alpha decay, Argon, Beta decay, Brookhaven National Laboratory, Calcium, Carbon-14, Commission on Isotopic Abundances and Atomic Weights, CRC Handbook of Chemistry and Physics, CRC Press, Electron capture, Half-life, International Union of Pure and Applied Chemistry, International Union of Pure and Applied Physics, Isotope, K–Ar dating, Life, Mineral, National Nuclear Data Center, Neutron, Neutron emission, Nuclear Physics (journal), Nutrient, Nutrient cycle, Positron emission, Potassium, Potassium-40, Primordial nuclide, Proton, Proton emission, Pure and Applied Chemistry, Radioactive tracer, Radionuclide, Spin (physics), Weathering.
Age of the universe
In physical cosmology, the age of the universe is the time elapsed since the Big Bang.
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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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Argon
Argon is a chemical element with symbol Ar and atomic number 18.
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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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Brookhaven National Laboratory
Brookhaven National Laboratory (BNL) is a United States Department of Energy national laboratory located in Upton, New York, on Long Island, and was formally established in 1947 at the site of Camp Upton, a former U.S. Army base.
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Calcium
Calcium is a chemical element with symbol Ca and atomic number 20.
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Carbon-14
Carbon-14, 14C, or radiocarbon, is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.
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Commission on Isotopic Abundances and Atomic Weights
The Commission on Isotopic Abundances and Atomic Weights (CIAAW) is an international scientific committee of the International Union of Pure and Applied Chemistry (IUPAC) under its Division of Inorganic Chemistry.
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CRC Handbook of Chemistry and Physics
The CRC Handbook of Chemistry and Physics is a comprehensive one-volume reference resource for science research, currently in its 98th edition (with 2560 pages, June 23, 2017, Editor-in-Chief John R. Rumble).
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CRC Press
The CRC Press, LLC is a publishing group based in the United States that specializes in producing technical books.
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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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Half-life
Half-life (symbol t1⁄2) is the time required for a quantity to reduce to half its initial value.
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International Union of Pure and Applied Chemistry
The International Union of Pure and Applied Chemistry (IUPAC) is an international federation of National Adhering Organizations that represents chemists in individual countries.
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International Union of Pure and Applied Physics
The International Union of Pure and Applied Physics (IUPAP) is an international non-governmental organization whose mission is to assist in the worldwide development of physics, to foster international cooperation in physics, and to help in the application of physics toward solving problems of concern to humanity.
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Isotope
Isotopes are variants of a particular chemical element which differ in neutron number.
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K–Ar dating
Potassium–argon dating, abbreviated K–Ar dating, is a radiometric dating method used in geochronology and archaeology.
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Life
Life is a characteristic that distinguishes physical entities that do have biological processes, such as signaling and self-sustaining processes, from those that do not, either because such functions have ceased, or because they never had such functions and are classified as inanimate.
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Mineral
A mineral is a naturally occurring chemical compound, usually of crystalline form and not produced by life processes.
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National Nuclear Data Center
The National Nuclear Data Center is an organization based in the Brookhaven National Laboratory that acts as a repository for data regarding nuclear chemistry, such as nuclear structure, decay, and reaction data, as well as historical information regarding previous experiments and literature.
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Neutron
| magnetic_moment.
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Neutron emission
Neutron emission is a mode of radioactive decay in which one or more neutrons are ejected from a nucleus.
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Nuclear Physics (journal)
Nuclear Physics is a peer-reviewed scientific journal published by Elsevier.
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Nutrient
A nutrient is a substance used by an organism to survive, grow, and reproduce.
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Nutrient cycle
A nutrient cycle (or ecological recycling) is the movement and exchange of organic and inorganic matter back into the production of matter.
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Positron emission
Positron emission or beta plus decay (β+ decay) is a subtype of radioactive decay called beta decay, in which a proton inside a radionuclide nucleus is converted into a neutron while releasing a positron and an electron neutrino (νe).
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Potassium
Potassium is a chemical element with symbol K (from Neo-Latin kalium) and atomic number 19.
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Potassium-40
Potassium-40 (40K) is a radioactive isotope of potassium which has a very long half-life of 1.251 years.
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Primordial nuclide
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.
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Proton
| magnetic_moment.
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Proton emission
Proton emission (also known as proton radioactivity) is a rare type of radioactive decay in which a proton is ejected from a nucleus.
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Pure and Applied Chemistry
Pure and Applied Chemistry (abbreviated Pure Appl. Chem.) is the official journal for the International Union of Pure and Applied Chemistry (IUPAC).
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Radioactive tracer
A radioactive tracer, or radioactive label, is a chemical compound in which one or more atoms have been replaced by a radionuclide so by virtue of its radioactive decay it can be used to explore the mechanism of chemical reactions by tracing the path that the radioisotope follows from reactants to products.
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Radionuclide
A radionuclide (radioactive nuclide, radioisotope or radioactive isotope) is an atom that has excess nuclear energy, making it unstable.
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Spin (physics)
In quantum mechanics and particle physics, spin is an intrinsic form of angular momentum carried by elementary particles, composite particles (hadrons), and atomic nuclei.
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Weathering
Weathering is the breaking down of rocks, soil, and minerals as well as wood and artificial materials through contact with the Earth's atmosphere, water, and biological organisms.
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Redirects here:
Isotope of potassium, Potassium-32, Potassium-32m, Potassium-33, Potassium-34, Potassium-35, Potassium-36, Potassium-37, Potassium-38, Potassium-38m1, Potassium-38m2, Potassium-39, Potassium-40m, Potassium-41, Potassium-42, Potassium-43, Potassium-44, Potassium-45, Potassium-46, Potassium-47, Potassium-48, Potassium-49, Potassium-50, Potassium-51, Potassium-52, Potassium-53, Potassium-54, Potassium-55.
References
[1] https://en.wikipedia.org/wiki/Isotopes_of_potassium
