elizard200211 elizard200211

22-02-2019
Chemistry

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where is almost all the mass of an atom

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plutookooo plutookooo

27-02-2019

The nucleus!! This is made up of protons and neutrons that each weigh about 1 amu.

Electrons are not found in the nucleus and weigh almost nothing so chemistry in school doesn’t bother with them :)

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