CHEMISTRY CROSSWORD

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Across
  1. 2. has only one type of atom
  2. 3. the ease and speed with which a metal reacts with another substance
  3. 5. made up molecules
  4. 6. has no definite shape and volume, attraction between molecules are very weak
  5. 8. gas to liquid process
  6. 11. molecules that escaped the liquid and go into a gaseous phase
  7. 12. amount of matter in an object
  8. 16. subatomic particle that carries a negative charge
  9. 17. solid to liquid process
  10. 18. amount of space in an object
  11. 20. has definite shape and volume, attraction between molecules are strong
Down
  1. 1. liquid to solid process
  2. 4. liquid to gas process
  3. 7. molecule that has the same no. of protons but different no. of neutrons
  4. 9. unit of measurement in atoms
  5. 10. atom that had lost or gained electrons
  6. 13. consists of two or more atoms
  7. 14. subatomic particle that carries no charge
  8. 15. subatomic particle that carries a positive charge
  9. 19. has no definite shape, attraction between molecules are weak