Chemistry

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Across
  1. 3. (Loss of electrons in a reaction)
  2. 5. (Reaction between an acid and a base)
  3. 6. (Substance formed after a chemical reaction)
  4. 9. (Balanced representation of a chemical reaction)
  5. 11. (A reaction that produces heat)
  6. 13. / COMBUSTION (Reaction involving oxygen — Note: Combustion or Oxidation fits here; "Oxidation" pairs excellently with Down #2's theme)
  7. 14. (Substance that speeds up a reaction without being consumed)
  8. 15. (Reaction where a compound breaks down into simpler substances)
Down
  1. 1. (Substance that undergoes change in a reaction)
  2. 2. Clues
  3. 4. (Gain of electrons in a reaction)
  4. 7. (Reaction where one element replaces another)
  5. 8. (Reaction where two or more substances combine to form a single product)
  6. 9. (Chemical reaction where energy is absorbed)
  7. 10. (Process of coating iron with zinc to prevent rusting)
  8. 12. (Substance that slows down a reaction)