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4 Cards in this Set
- Front
- Back
protons |
a subatomic particle that has a positive charge and is to be found in the nucleus |
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atomic mass unit |
a unite of mass that describes the mass of an atom |
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nutron |
a subatomic particle that has no charge and that is found in the nucleus of a atom |
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atomic number |
the number of protons of a atom the atomic number is the same for all atoms of a element |