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Question: If m, m<sub>n</sub> and m<sub>p</sub> are the masses of <sub>Z</sub>X<sup>A</sup> nucleus neutron an...

If m, mn and mp are the masses of ZXA nucleus neutron and proton respectively:

A

m< (A – Z)mn + Zmp

B

m = (A – Z)mn + zmp

C

m = (A – Z)mp + Zmn

D

m > (A – Z)mn + Zmp

Answer

m< (A – Z)mn + Zmp

Explanation

Solution

Mass of nucleus should be less than mass of nucleons.