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5 Cards in this Set
- Front
- Back
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model
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a picture , an idea, or an object that i built to explain how something else looks or works
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nucleus
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the central part of an atom
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proton
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a tiny particle in the nucleus of an atom
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electron
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a tiny particle of an atom that moves around the nucleus
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neutron
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a tiny particle in the nucleus of an atom is similar to a proton
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