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6 Cards in this Set
- Front
- Back
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Matter
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Anything that occupies space and has mass
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Element
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Pure substance that cannot be broken down into any other substances by chemical means
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Trace Element
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Elements that make up less then 0.01% of your body mass, but still critical to your health
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Compound
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A substance that contains two or more elements.
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Atom
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Smallest possible particle of an element
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Proton
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A subatomic particle with a single unit of a negative charge
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