Science, asked by bdjuwvdvnf, 9 months ago

What is mass number of an atom ?​

Answers

Answered by rishabhjaiswal30
0

Answer:

The mass number (symbol A, from the German word Atomgewicht [atomic weight]), also called atomic mass number or nucleon number, is the total number of protons and neutrons (together known as nucleons) in an atomic nucleus.

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