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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 an atom. |
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Atomic mass unit |
A unit od mass that describes the mass of an atom or molecus of an atom. |
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Neutron |
The number of protons in the nucleus of an atom the atom the atomic number is the same for all the atoms of an element. |
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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 an element. |
