Physics, asked by srinivasulusrinu854, 8 months ago

no.of protons and no.of neutrons is called ?​

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Answered by Anonymous
2

Answer:

The mass number (A) of an atom is the total number of protons and neutrons in its nucleus. The mass of the atom is a unit called the atomic mass unit (amu). ... Therefore, the total number of protons and neutrons in an atom determines its mass in atomic mass units .

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