Jena Brown Chapter 13

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Across
  1. 4. the big number of a chemical equation
  2. 5. the energy stored in molecules that can be released during a reaction
  3. 12. two elements change teams
  4. 13. energy is transferred to reactants from surroundings
  5. 14. this must be added to break bonds
  6. 15. a substance that undergoes a chemical change
Down
  1. 1. the small number of a chemical equation
  2. 2. one element changes teams
  3. 3. hydrogen and carbon are
  4. 6. the reaction that breaks down the compound
  5. 7. this reaction is shown by oxides
  6. 8. a substance that is the result of a chemical change
  7. 9. the reaction that builds a bigger compound
  8. 10. are exothermic and endothermic reactions energy reactions or chemical reactions
  9. 11. energy transfers from reactants to surroundings