stuff

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Across
  1. 3. same number of atoms on each side of the equation
  2. 6. anything that takes up space
  3. 7. means yields
  4. 8. happen before the chemical reaction
  5. 10. the law that says atoms can neither be created nor destroyed
Down
  1. 1. happen after the chemical reaction
  2. 2. something that has matter
  3. 4. when something is created out of reactants
  4. 5. tested the conservation of mass law
  5. 9. make up matter