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The total number of protons and neutrons present in the nucleus of an atom is known as mass number.

The total number of protons and neutrons present in the nucleus of an atom is known as mass number.

Grade:12th pass

2 Answers

Pawan Prajapati
askIITians Faculty 60787 Points
2 years ago
Our expert is working on this class X maths answer. We will update the answer very soon.
Yash Patari
askIITians Faculty 2123 Points
2 years ago
Dear student
The mass number is defined as the total number of protons and neutrons in an atom. The number of neutrons = mass number − atomic number.
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