Question

Define the term half life of a radioactive substance

Answer 1

hey mate!!!!

the rate at which a radioactive isotopes decays is measured in half life the term half life is defined as the time it takes for one half of the atoms of a radioactive material to disintegrate ..

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Answer 2

Explanation:

Radioactive decay 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 decay, beta decay, and gamma decay, all of which involve emitting one or more particles or photons.