Question

Why is Radioactivity a Nuclear Phenomenon??..answer it fast

Answer 1

Because radioactivity comes from atomicnuclei. It would be strange if it was considered anything else than a nuclear phenomenon. Some types of nucleardecays, such as the electron capture, also produce radiation from the transitions of the atomic electrons.

Answer 2

⛤Hey There⛤
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Why is Radioactivity a Nuclear Phenomenon?
The phenomenon of radioactivity is observed in heavy elements such as uranium. Antoine Henri Becquerel, a French scientist discovered radioactivity in 1896 by chance while performing an experiment. So radioactivity refers to the particles which are emitted from nuclei as a result of nuclear instability.

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