When a nucleus in an atom undergoes a radioactive decay, the electr...

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When a nucleus in an atom undergoes a radioactive decay, the electronic energy levels of the atom
\( \mathrm{P} \)
(a) do not change for any type of radioactivity .
W
(b) change for \( \alpha \) and \( \beta \) radioactivity but not for \( \gamma \)-radioactivity.
(c) change for \( \alpha \)-radioactivity but not for others.
(d) change for \( \beta \)-radioactivity but not for others.
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