chapter 11 Vocab

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Across
  1. 5. a chemical reaction where one element in one compound replaces another element in another compund
  2. 9. a chemical equation that does not tell you the amounts of the equation
Down
  1. 1. the reaction that occurs when you light a candle
  2. 2. a chemical reaction that is also referred to as double displacement
  3. 3. small whole numbers that are placed in front of the formulas in an equation in order to balance it.
  4. 4. a chemical change in which two or more substances react to form a single new substance
  5. 6. an equation in representaion of a chemical reaction
  6. 7. a substance that speeds up a reaction
  7. 8. a reaction in which a compound is broken down into simpler parts.