In formula A=Z+N, N stands for-
1 point
number of all sub particle
number of neutrons
number of proton
number of electron
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Explanation:
The mass number is different for each different isotope of a chemical element. Hence, the difference between the mass number and the atomic number Z gives the number of neutrons (N) in a given nucleus: N = A − Z.
Correct answer is number of neutrons.
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