Question:
When a nucleus in an atom undergoes radioactive decay, the electronic energy levels of the atom
(a) do not change for any type of radioactivity
(b) change for α and β radioactivity but not for γ-radioactivity
(c) change for α-radioactivity but not for others
(d) change for β-radioactivity but not for others
Solution:
(b) change for α and β radioactivity but not for γ-radioactivity