Ch. 8 Chemistry Crossword

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Across
  1. 4. An equation for a reaction in solution showing all strong electrolytes as ions
  2. 7. A chemical change in which two or more substances react to form a single new substance
  3. 8. A chemical change that involves an exchange of positive ions between two compounds
  4. 12. A chemical change in which oxygen reacts with another substance which often produces energy in the forn of heat and light
  5. 14. A chemical change in which a single compound is broken down into two or more simpler products
Down
  1. 1. A chemical equation that does not indicate the relative amounts of reactants and products
  2. 2. A chemical equation in which mass is conserved and each side of the equation has the same number of atoms of each element
  3. 3. A chemical change in which one element replaces a second element in a compound
  4. 4. Shows number and type of atoms present in the smallest representative unit of a substance
  5. 5. A small whole number that appears in front of a formula in a balanced chemical equation
  6. 6. An ion that is not directly involved in a chemical reaction
  7. 9. A table listing metals in order of decreasing activity
  8. 10. An equation for a reaction in solution showing only those particles that are directly involved in the chemical change
  9. 11. An expression representing a chemical reaction
  10. 13. A substance that increases the rate of reaction by lowering the activation-energy barrier