types of chemical reactions

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Across
  1. 3. tells you the numbers of molecules
  2. 4. tells you the number of atoms in a compound
  3. 5. a chemical reaction that has one reactant
Down
  1. 1. a chemical reaction that has one product
  2. 2. an element swaps place in a compound
  3. 3. a chemical reaction that has water and CO2 as a product