Prentice Hall Chemistry 2.3 & 2.4
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8 terms
Terms | Definitions |
|---|---|
 chemical change | a change that produces matter with a different composition than the original matter |
| chemical symbol | one or two letters which represents elements |
| chemical property | the ability of a substance to undergo a specific chemical change |
| chemical reaction | when one or more substances change into one or more new substances |
| reactant | a substance present at the start of the reaction |
| product | a substance produced in the reaction |
| precipitate | a solid that forms and settles out of a liquid mixture |
| law of conservation of mass | in any physical change or chemical reaction, mass is conserved |
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