Breevenrik5errell Breevenrik5errell

15-07-2016
Chemistry

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What does the atomic mass describe?

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Lexdesex Lexdesex

16-07-2016

Atomic mass determines the weight of the protons plus neutrons in an atom. The unit of measurement is AMU or atomic mass units. For example oxygen has an atomic mass of 16 and an atomic number of 8, meaning it has 8 protons and 8 neutrons which add up to 16.

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