Chapter 7 Reactions

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Across
  1. 3. any process that releases heat
  2. 4. one reactant breaks down to multiple products
  3. 7. more than one reactant forms one product
  4. 9. a chemical that speeds up a reaction but is not used up
  5. 10. any process that absorbs heat
  6. 11. a reaction requiring oxygen and releasing heat and light
Down
  1. 1. one element replaces another in a reaction
  2. 2. element or compound that undergoes a chemical reaction
  3. 5. elements replace each other in a reaction
  4. 6. energy stored in chemical bonds
  5. 8. something present only after a chemical reaction