Chemical Reactions and Equations

Edit Answers
1234567891011121314151617181920
Across
  1. 3. The gradual destruction of metals by chemical reactions with the environment.
  2. 5. A reaction where a substance combines with oxygen, releasing energy.
  3. 9. A reaction that releases energy in the form of heat.
  4. 11. A substance that speeds up a chemical reaction without being consumed.
  5. 12. A reaction between an acid and a base to form salt and water.
  6. 13. A solution in which the solvent is water.
  7. 15. The number placed before a formula in a chemical equation to balance it.
  8. 16. A process involving the gain of electrons.
  9. 17. A type of chemical equation where the number of atoms for each element is equal on both sides.
  10. 18. A reaction that absorbs energy.
  11. 19. A representation of a chemical reaction using symbols and formulas.
  12. 20. A reaction where two or more substances combine to form a single substance.
Down
  1. 1. A process of decomposing a substance using electricity.
  2. 2. A solid formed from a reaction in a solution.
  3. 4. The substances formed in a chemical reaction.
  4. 6. A reaction where a single compound breaks down into two or more simpler substances.
  5. 7. A reaction where one element replaces another in a compound.
  6. 8. The starting materials in a chemical reaction.
  7. 10. A type of change that produces a new substance.
  8. 14. A process involving the loss of electrons.