Chemistry crossword

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Across
  1. 2. the amount of matter
  2. 3. a substance that increases the rate of reaction
  3. 7. measures average particle energy
  4. 9. attraction between like molecules
  5. 10. what identifies a substance with no change
  6. 12. result of Chemical reaction
  7. 14. Atoms connected by a chemical bond
  8. 15. building block of matter
  9. 16. bonded elements
Down
  1. 1. releases heat
  2. 2. takes up space
  3. 4. process that changes substances
  4. 5. combination of multiple substances
  5. 6. absorbs heat
  6. 8. the capacity to cause change
  7. 10. Alters form, not identity
  8. 11. New substance forms
  9. 13. Substance consumed in a chemical reaction