chapter 16

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Across
  1. 2. thermal enery must be added
  2. 3. reaction/ two or more compound unite to form one compound
  3. 5. thermal energy released
  4. 6. reaction/ breakdown of one substance
  5. 7. substances left of the arrow
  6. 8. mass/ sum of the masses of the atoms or ions present in the formulaic a compound
  7. 10. substance that may tie up reactions or catalysts
  8. 11. insoluble substance crystallizes out of solution
  9. 13. equation/ shows changes that take place during a chemical reaction
  10. 14. displacement reaction/ one element displaces another form a compound
  11. 15. substances right of the arrow
Down
  1. 1. numbers in front of the symbols
  2. 4. when inhibitors are added to foods
  3. 9. mass/ sum of the average atomic masses of the atoms in a molecule
  4. 12. speeds up a reaction without being permanently changed itself
  5. 16. displacement reaction/ positive part of one compound unites with the negative part of another