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Vocabulary Term Details


Definition (

Radioactive decay, also known as nuclear decay or radioactivity, is the process by which a nucleus of an unstable atom loses energy by emitting particles of ionizing radiation. A material that spontaneously emits this kind of radiation - which includes the emission of energetic alpha particles, beta particles, and gamma rays - is considered radioactive. (Wikipedia)

Preferred Units: N/A

Scope Note:

Broader TermsNarrower TermsRelated Terms
Chemicophysical properties
N/ANuclear physics
Radioactive pollutants

This term is used for the following terms: 
Radioactive decay

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