lily2684 lily2684

26-03-2015
Chemistry

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what two particles make up the atomic mass of an atom?

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Аноним Аноним

26-03-2015

Neutrons and protons are the two particles that make up the atomic mass of an atom. Including Electrons.

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SwaggyL SwaggyL

26-03-2015

Neutrons and protons tell and also electrons but the main two are neutrons and protons

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