Across
- 3. Substance that participates in a chemical reaction
- 7. Substance formed as a result of a chemical reaction
- 8. Substance which slows down or stops a chemical reaction
- 10. Substance that speeds up a reaction without being consumed
- 11. Reaction in which one element replaces another in a compound
- 13. Chemical link that holds molecules together
- 14. Reaction between an acid and base forming water and salts
Down
- 1. Factor affecting the rate of reactions
- 2. Chemical reaction in which a single compound breaks down into two or more elements or compounds
- 4. Reaction that takes in energy in the form of heat
- 5. Gain of oxygen by a substance during a chemical reaction
- 6. Solid that forms from a solution during a chemical reaction
- 9. ___ energy is the energy needed to start a reaction
- 12. Reaction that gives out energy in the form of heat