Across
- 1. in a chemical reaction the new substance or substances formed
- 3. chemical reaction in which one substance breaks down into two or more substances
- 8. reaction chemical reaction that requires thermal energy in order to proceed
- 9. displacement reaction chemical reaction in which one element replaces another element in a compound
Down
- 2. in a chemical reaction the substance that reacts
- 4. number in a chemical equation that represents the number of units or each substance taking part in a chemical reaction
- 5. reaction chemical reaction in which energy is primarily given off in the form of thermal energy
- 6. reactions chemical reaction in which two or more substances combine to form a different substance
- 7. displacement reaction reaction in which two ionic compounds in solution are combined can produce a precipitate water or gas