The mass number of an element is equal to

Question

Kaylah Dougherty

Chemistry

11 October, 03:46

The mass number of an element is equal to

+2

Answers (2)

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Arielle Clayton · Answer 1

We can say that the mass number (A) is the sum of the masses of the particles in an atom, but since the mass of the electron is negligible compared to the masses of protons and neutrons, the mass number is the sum of the masses of protons (Z) and neutrons (n).

Winston Bentley · Answer 2

I think Electorn