Question

WHAT MASS NUMBER? GIVE SOME EXAMPLES

Answer 1

Hlo friend...

Here is ur answer :

The integer nearest in value to the atomic weight of an atom and equal to the number of nucleons in the nucleus of the atom. 

Examples :-The number of neutrons in an isotope is equal to the mass number minus the number of protons. As a result, oxygen-17 has (17-8=) 9 neutrons.

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@sunita