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Question: A nucleus <sub>n</sub>X<sup>m</sup> emits one a and one b-particle. The resulting nucleus is –...

A nucleus nXm emits one a and one b-particle. The resulting nucleus is –

A

nXm–4

B

n–2Ym–4

C

n–4Zm–4

D

n–1Zm–4

Answer

n–1Zm–4

Explanation

Solution

nXm ® 2a4 + –1e0 + n–1Zm–4