Atoms And Nuclei Question 190

Question: If m, mn and mp are the masses of ZXA nucleus, neutron and proton respectively [KCET 2003; CPMT 2003]

Options:

A) $ m<{{(A-Z)}{m{n}}}+Zm_{p} $

B) m=(AZ)mn+Zmp

C) m=(AZ)mp+Zmn

D) m>(AZ)mn+Zmp

Show Answer

Answer:

Correct Answer: A

Solution:

The mass of nucleus formed is always less than the sum of the masses of the constituent protons and neutrons i.e. m<(AZ)mn+zmp .



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