Across
- 3. = Substance formed after a chemical reaction.
- 8. = Substance that slows down a chemical reaction.
- 9. = A chemical reaction that releases heat energy.
- 10. = A chemical reaction that absorbs heat energy.
- 11. = Gain of electrons during a chemical reaction.
- 12. = Substance that takes part in a chemical reaction.
- 13. = Symbolic representation of a chemical reaction.
- 14. = Reaction in which two or more substances combine to form a single product.
Down
- 1. = Coating iron or steel with zinc to prevent rusting.
- 2. = Reaction between an acid and a base producing salt and water.
- 4. = Reaction in which one element replaces another in a compound.
- 5. = Loss of electrons during a chemical reaction.
- 6. = Reaction in which one compound breaks into simpler substances.
- 7. = Reaction in which a substance burns in oxygen.
- 13. = A substance that speeds up a chemical reaction without being consumed.