Chemistry

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