Chemistry, asked by wolverine7577, 11 months ago

The sum of number of protons and number of neutrons present in the nucleus of an atom is

Answers

Answered by lavnyagupta1909

1

Answer:

the answer is atomicity

Answered by tanmaytiwari43

2

Answer:

mass number

Explanation:

number of protons = Np

number of neutrons = Nn

mass number = Np + Nn = A

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