Question

what is radioactivity​

Answer 1

$\huge\mathfrak\blue{MR phenomenal}$


Radioactivity is the spontaneous emission of radiation in the form of particles or high energy photons resulting from a nuclear reaction. ... A substance that contains unstable atomic nuclei is considered to be radioactive. Radioactive decay is a random or stochastic process that occurs at the level of individual atoms.

Answer 2

radioactivity refers to the particle which emitted from nuclei as a result of nuclear instability..

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