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ch.2 voc. wrd
Question | Answer |
---|---|
The change in properties of matter. | Chemistry |
All materials that take up space | Matter |
A substance that cant be separated or broken down by chemical means | Atom |
Mixture of a group of elements. | Compounds |
Small groups of atoms | Molecules |
Elements use to represent a substance | Chemical Formula |
Matter with a fixed compound | Pure Substance |
The combination of substances | Mixture |