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What is the atomic mass equal to?

A whole number representing the number of protons.

The total number of protons and neutrons.

A whole number representing the number of neutrons.

An average of the masses of the isotopes.


Please help!

User Lopson
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2 Answers

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Is equal to the total numbers of protons and neutrons
User Chi Row
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Atomic mass is equal to the total number of electrons neutrons and protons

User Duikboot
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