Given an element’s atomic number and mass number, how can you tell the number of protons and neutrons in its nucleus?

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asked Feb 22, 2018 172k views

1 Answer

Amber Beriwal · Answer 1 · 2018-03-01T02:33:04+0000

The mass number of an element tells you the total number of nucleons (neutrons and protons) the element has, while the atomic number only tells you the amount of protons.
Hope this helps.

Given an element’s atomic number and mass number, how can you tell the number of protons and neutrons in its nucleus?

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