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Unit 2 L2
Chemical Reactions
| Term | Definition |
|---|---|
| compound | a substance that is formed by the chemical combination of two or more elements |
| chemical reaction | a change of matter that occurs when atoms link together in a new way creating a new substance different from the original substances |
| reactant | an original substance at the beginning of a chemical reaction |
| product | a new substance produced by a chemical reaction |
| precipitate | a solid formed by the chemical reaction of some solutions |