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t. e. 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. A material containing unstable nuclei is considered radioactive. Three of the most common types of decay are alpha, beta, and gamma decay.
- Gamma Decay
A gamma ray, also known as gamma radiation (symbol γ), is a...
- Radioactivity (Disambiguation)
Radioactivity is the property of spontaneous nuclear decay,...
- Radiation
In physics, radiation is the emission or transmission of...
- Radioactivity in the life sciences
Radioactivity is generally used in life sciences for highly...
- Induced radioactivity
Induced radioactivity, also called artificial radioactivity...
- Environmental radioactivity
Environmental radioactivity is produced by radioactive...
- Gamma Decay
Mar 29, 2024 · Radioactivity, property exhibited by certain types of matter of emitting energy and subatomic particles spontaneously. It is, in essence, an attribute of individual atomic nuclei. Radioactive decay is a property of several naturally occurring elements as well as of artificially produced isotopes of the elements.
Feb 11, 2022 · The SI or metric unit of radioactivity is named after Henri Becquerel, in honour of his discovery of radioactivity, and is called the becquerel with the symbol Bq. The becquerel is defined as the quantity of radioactive substance that gives rise to a decay rate of 1 decay per second.
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