Chapter 11 Vocab

1234567891011121314
Across
  1. 2. A chemical equation in which mass is conserved
  2. 4. A chemical change in which a single compound is broken down into two or more simpler products
  3. 7. An expression representing a chemical reaction
  4. 11. A small whole number that appears in front of a formula in a balanced chemical equation
  5. 12. A chemical equation that does not indicate the relative amounts of reactants and products
  6. 13. A chemical change that involves an exchange of positive ions between two compounds
  7. 14. An ion that is not directly involved in a chemical reaction; an ion that does not change oxidation number or composition during a reaction
Down
  1. 1. A chemical change in which an element or a compound reacts with oxygen
  2. 3. A chemical change in which one element replaces a second element in a compound
  3. 5. An equation for a reaction in solution showing only those particles that are directly involved in the chemical change
  4. 6. A substance that increases the rate of reaction by lowering the activation-energy barrier
  5. 8. An equation that shows dissolved ionic compounds as dissociated free ions
  6. 9. A chemical change in which two or more substances react to form a single new substance
  7. 10. A list of elements in order of decreasing activity