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7 Cards in this Set
- Front
- Back
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smallest unit of matter
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atoms
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matter
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anything that takes up space and has mass
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chemical properties of matter
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protons, neutrons, electrons
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protons have what kind of charge
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positive electrical charge
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neutrons have what kind of charge
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electrically neutral
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elecrtons have a charge of
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a negative electrical charge
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the number of protons in an atom is known as its
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atomic number
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