What does the mass number tell us?

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20-10-2016
Chemistry

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What does the mass number tell us?

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Loliypop3 Loliypop3 · Answer 1 · 2016-10-20T06:12:30+02:00

Loliypop3 Loliypop3

20-10-2016

The mass number tells us the number (the sum of nucleons) of protons and neutrons in the nucleus of an atom. ... The atomic number uniquely identifies a chemical element. In an atom of neutral charge, atomic number is equal to the number of electrons.

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