Question

What is a mass number​

Answer 1

The total number of protons and neutrons in an atom is know as mass number.

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Answer 2

Answer:

hii mate....

MASS NUMBER is the total number of protons and neutrons in an atom....

The mass number, also called atomic mass number or nucleon number, is the total number of protons and neutrons in an atomic nucleus. It is approximately equal to the atomic mass of the atom expressed in atomic mass units.

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