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3 Cards in this Set
- Front
- Back
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Atoms
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-An atom is the smallest unit of matter with unique chemical properties.
-Atoms are the chemical units of cell structure. They consist of a central nucleus with protons, neutrons and orbit(s) of electrons. |
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Atomic Number
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-refers to the number of protons in an atom
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Atomic Weight
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-refers to the number of protons and neutrons in an atom
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