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04-02-2016
Chemistry

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Most of the mass of an atom comes from the (blank) and (blank)

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04-02-2016

Protons and neutrons make up most of an atom's mass. Electrons have almost no mass.

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04-02-2016

The protons and neutrons make up most of the atoms mass because they are located in the nucleus, and the nucleus has the most mass.

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