MPSC PYQScience

In alpha decay, the unstable nucleus emits an alpha particle reducing its proton and neutron by:

A.Z by 2 and N by 2
B.Z by 1 and N by 2
C.Z by 2 and N by 1
D.Z by 1 and N by 1

Correct answer: A

Source paper

MPSC Gazetted TS Combined Pre 2022 (English)

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