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5 Cards in this Set
- Front
- Back
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Atom |
The smallest part of an element that can exist |
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Element |
A substance made of one type of atom only |
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Compound |
A substance formed by the chemical union of two or more elements |
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Molecule |
A collection of two or more atoms held together by chemical bonds |
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Mixture |
Two or more substances that are not joined together. The substances can be elements, compounds, or both |
