Radioactivity/Related Articles: Difference between revisions
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Revision as of 08:35, 29 March 2024
- See also changes related to Radioactivity, or pages that link to Radioactivity or to this page or whose text contains "Radioactivity".
Parent topics
- Chemical elements [r]: In one sense, refers to species or types of atoms, each species/type distinguished by the number of protons in the nuclei of the atoms belonging to the species/type, each species/type having a unique number of nuclear protons; in another sense, refers to substances, or pieces of matter, each composed of multiple atoms solely of a single species/type. [e]
Subtopics
- Acute radiation syndrome [r]: Disease or death caused by whole-body irradiation, over a short period of time, with a significant quantity of penetrating radiation [e]
- Alpha particle [r]: helium nucleus; particle of charge 2e and mass 4 u. [e]
- Beta particle [r]: A high-energy electron or positron emitted, along with a neutrino, by the decay of an atomic nucleus; a form of ionizing radiation [e]
- Fission device [r]: Add brief definition or description
- Fusion device [r]: Add brief definition or description
- Gamma ray [r]: Penetrating, high-energy electromagnetic radiation emitted from atomic nuclei during nuclear decay. [e]
- Half-life [r]: The amount of time needed for one half of any reactant subject to first-order decomposition to decay. [e]
- Instrumentation for radioactivity [r]: Devices that variously detect, measure and characterize radioactivity; they may be intended for field or laboratory use [e]
- Ionizing radiation [r]: Subatomic particles or electromagnetic waves that are energetic enough to detach electrons from atoms or molecules, ionizing them. [e]
- Isotope [r]: An atom of a chemical element with a specific number of neutrons and hence a specific nuclear mass, such as carbon-14 (14C). [e]
- Neutron [r]: An elementary particle of neutral charge, normally found in the nucleus of chemical elements, but having significant effects when in free flight; the number of neutrons in the nucleus of an element defines its identity as an isotope [e]
- Neutrino [r]: A stable fundamental subatomic particle of matter (no internal structure) classified as a lepton; for electron-associated neutrinos evidence pointing to a finite mass less than an electron, lacking electrical charge, extremely non-interacting with matter; evident in three flavors (varieties or types): electron neutrinos, muon neutrinos, and tau neutrinos, each with a charged partner, the electron, the muon, and the tau, respectively. [e]
- Units of radioactivity [r]: System of units used to measure different aspects of radioactivity, from the energy of a source to its effect on biological systems [e]
- X-ray [r]: An ionizing type of electromagnetic radiation whose absorption or diffraction often used for structural investigations of matter. [e]
- Electron [r]: Elementary particle that carries a negative elementary charge −e and has mass 9.109 382 91 × 10−31 kg. [e]
- Neutron [r]: An elementary particle of neutral charge, normally found in the nucleus of chemical elements, but having significant effects when in free flight; the number of neutrons in the nucleus of an element defines its identity as an isotope [e]
- Positron [r]: Add brief definition or description
- Proton [r]: A subatomic particle with an electric charge of +1 elementary charge. [e]
- Radiology [r]: A physician specialty with a core competence in obtaining and diagnosing by means of instruments that receive energy transmitted through the body; there are a number of subspecialties. [e]