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31-10-2017
Physics

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What does the atomic mass tell you about an element?

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31-10-2017

The mass number tells us the number (the sum of nucleons) of protons and neutrons in the nucleus of anatom.

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31-10-2017

The atomic mass of an element is the ratio of the mass of its nucleus compared to the nucleus of the hydrogen atom, consisting of just one proton.

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