Chemistry Unit Test Review

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Across
  1. 4. When energy is released, bonds are _____________
  2. 7. The reactants are different from the products in a ________change
  3. 10. Energy was absorbed to ________ bonds
  4. 11. A phase change is a type of
  5. 12. When put into water, acids release _________ ions.
  6. 13. Energy is transferred from the surroundings to the reactants in an _____________ reaction
  7. 14. In an exothermic reaction, energy is _________ from the reactants and is __________ into the surroundings.
  8. 16. Energy is released to _________ bonds
Down
  1. 1. In a combustion reaction, the products always have _______.
  2. 2. A solution that has a pH above 7 is a ______
  3. 3. When hydronium, H3O+ and hydroxide, OH- react what is produced is ______________
  4. 5. In a chemical reaction the atoms will be
  5. 6. This type of paper indicator gives the specific pH
  6. 8. When bases are put in water, they release _____________ ions.
  7. 9. When acids and bases neutralize they produce a _________
  8. 15. Chemical energy is energy that is present in _____________