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If A,Z and N denote the mass number, the...

If `A,Z` and `N` denote the mass number, the atomic number, and the neutron number for a given nucleus, we can say that.

A

isobar hae the same A but different Z and N

B

isotopes have the same Z but different N and A

C

isotones have the same N but different A and Z

D

N=Z+A

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