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4 Cards in this Set
- Front
- Back
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Protons |
A submatic particle that has a positive charge and that is found in the nuclues of an atom |
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Atomic mass unit |
a unit of mass that describes the mass of an atom or molecule |
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Nuetron |
a submatic paricle that has no charge and that is found in the nuclues of and atom |
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Atomic number |
the number of protons in the nuclues of an atom the atomic number is the same for all atoms of an element |
