a1lynHeebritt a1lynHeebritt

04-10-2016
Chemistry

contestada

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

Respuesta :

17-10-2016

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

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