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4 Cards in this Set
- Front
- Back
Proton |
A subatomic particle that has a positive charge and that is found in the nucleus of the atom. |
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Atomic Mass Unit |
A unit of mass that describes the mass of the atom or molecule. |
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Nuetron |
A subatomic particle that has no charge and that is found in the nucleus of the atom. |
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Atomic Number |
The number of protons in the nucleus of the atom; The atomic number is the same for all atoms of the same element. |