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Questions  

In the nuclear reaction

 2He4  +  ZHeA     Z+2YA+3  +  Z'MA'

M  denotes

a
electron
b
position
c
proton
d
neutron

detailed solution

Correct option is D

(4)Applying charge and mass conservation4+A=A+3+A'   ⇒  A'=1.2+Z=Z+2+Z'    ⇒Z'=0Hence, M is neutron.

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