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7 Cards in this Set
- Front
- Back
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mass number
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The sum of a number of protons and neutrons in the nucleus of an atom
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deposition
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The phase change in which a gas or vapor changes directly into a solid without first changing into a liquid
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Nucleus
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The dance positivity charged mass located in the center of an atom
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Neutron
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A neutral subatomic particle that is found in the nucleus of an atom
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Electron
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A negatively charged subatomic particle that is found in a space outside the nucleus of an atom
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Proton
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The positively charged subatomic particle that is found in a nucleus of an atom
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atomic number
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a unique number for each element that equals the number of protons in the atom of that element
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