How you can determine the number of neutrons an atom has from an atom's mass number and its atomic number?

Question

Chemistry

Vaughn Ballard

28 December, 08:22

How you can determine the number of neutrons an atom has from an atom's mass number and its atomic number?

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Answers (1)

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Cohen Kerr · Answer 1

Neutrons have the same mass as protons

so the number of neutrons = mass number - atomic number

or for simplicity you can remember it as n = (n+p) - p