How do you determine the mass number of an atom?

asked Mar 22, 2022 6.6k views

4 votes

by Kums

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Step-by-step explanation:

The number of protons and neutrons. you can simply subtract the number of protons, or atomic number, from the mass number to get your final answer.

Stecog answered Mar 24, 2022

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3 votes

the number of protons and the number of neutrons determine an element's mass number: mass number

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