Chemical Reaction Crossword Puzzle Created by Nick Gadams 7-2

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Across
  1. 2. Number in front of a chemical formula in an equation
  2. 6. What indicates the ratio of elements in a compound
  3. 8. A+B->AB
  4. 13. Change in matter that produces one or more new substances
  5. 14. A combonation of symbols and numbers that represent what is in a molecule
  6. 15. Fats and oils
  7. 17. AB+C->AC+B
  8. 18. Type of reaction that releases energy
  9. 19. Sugars, starches, and cellulose
  10. 20. States that during a chemical reaction, matter is not created or destroyed
Down
  1. 1. Type of reaction that absorbs energy
  2. 3. Substances you end up with in a chemical reaction
  3. 4. An atom that is giving off particles and energy
  4. 5. Substances you start with in a chemical reaction
  5. 7. DNA and RNA
  6. 9. The process when small nuclei combine to form a new massive nucleus
  7. 10. AB+CD->AC+BD
  8. 11. When a large unstable nucleus breaks apart
  9. 12. Using formulas and sybols instead of words to represent a chemical reaction
  10. 16. One or more chains of amino acids