Chemical Reactions Crossword #1

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Across
  1. 4. start your engines!!!
  2. 6. replacement where there is a switch of two elements.
  3. 9. the amount of chemical reactions.
  4. 10. more energy to break bonds in reactants.
  5. 11. the amount of reactants in decomposition reactions.
Down
  1. 1. ends with one product.
  2. 2. two types: Exothermic and Endothermic.
  3. 3. example of an endothermic reaction.
  4. 5. the type of compounds in a double replacement reaction.
  5. 7. this is the end.
  6. 8. reactions that require energy.
  7. 11. during combustion reactions the substance reacts quickly.