tralyn25 tralyn25

13-11-2014
Chemistry

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what 2 particles account for almost all if the mass of an atom

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cjohnso4 cjohnso4

13-11-2014

Protons and Neutrons make up the atomic mass in an atom. Electrons DO NOT whatsoever.

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camaramabama camaramabama

18-11-2014

Protons and neutrons both weigh 1 Amu electrons are so small they weigh 0 amid so it's protons and neitrons

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