Chemical Reactions

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Across
  1. 4. ________ reactions create a new substance
  2. 6. Tells you how many of that same element is in a compound
  3. 9. everything after the arrow in a chemical equation
  4. 11. Everything before the arrow in a chemical equation
  5. 13. ________ electrons bond atoms
Down
  1. 1. Reaction is cooler than surroundings
  2. 2. Reaction is warmer than surroundings
  3. 3. We mix chemicals in this glass object
  4. 5. What is energy?
  5. 7. What kind of reaction is tearing paper?
  6. 8. Tells you how many compounds there are
  7. 10. Energy is released to _______ new bonds
  8. 12. Energy is needed to ______ bonds