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4 Cards in this Set
- Front
- Back
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proton |
a subatomic particle that has a positive charge and that is found in the nucleus of a atom |
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atomic mass theory |
a unit of mass that describes the mass of a atom or molecule |
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neutron |
a subatomic particle that has no charge and that is fond in the nucleus of an atom |
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atomic number |
the number of protons in the nucleus of an atom the atomic number is the same for all atoms of a element
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