Question

how to represent atomic No. and mass No. symbollicaly ?​

Answer 1

Answer:

The mass number in a nucleus is the combined number of protons and neutrons, so it's protons and neutrons, and A symbolizes it. So A is the number of masses, which is equal to the number of protons, that is the number of atoms that we symbolized by Z, plus the number of neutrons.

Explanation:

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