Chemistry Crossword

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Across
  1. 4. there are not the same number of atoms on each side of a chemical equation
  2. 7. matter cannot be created or destroyed
  3. 8. What is there before a chemical reaction
  4. 9. there needs to be the same amount of _____ on each side of a chemical equation for it to be balanced
Down
  1. 1. represents a chemical reaction.
  2. 2. there are the same number of atoms on each side of a chemical equation
  3. 3. make up a chemical equation
  4. 5. are represented by one or two letters.
  5. 6. What is there after a chemical reaction
  6. 10. anything with mass that takes up space