Chemical Reactions

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Across
  1. 2. a system where matter can enter or leave
  2. 4. a reaction where one element cuts in or switches with another
  3. 5. a chemical equation where the number of atoms in the products are the same as the reactants
  4. 7. substances at the start of a chemical reaction
  5. 9. a reaction that makes water and carbon dioxide
  6. 10. a reaction where one compound splits into two products
  7. 11. a reaction where two molecules join together as one product
Down
  1. 1. a reaction where both molecules switch what they are bonded to
  2. 3. matter cannot be created or destroyed but can be...
  3. 6. substances formed as a result of a chemical reaction
  4. 8. a system where no matter can enter or leave