Chemistry crossword puzzle by Mael or Andre

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Across
  1. 3. process from a liquid to a gas state
  2. 6. negative charged atoms
  3. 7. unit whose symbol is m
  4. 9. pressure unit whose symbol is ATM
  5. 10. energy lost when gas particles collide
  6. 12. tools used to measure atmosphere pressure
  7. 14. unit whose symbol is K
  8. 16. protons + neutrons
  9. 18. unit whose symbol is L
  10. 19. gas law that uses pressure and volume
Down
  1. 1. unit referring to a stack of atoms 6.02 x 10^23
  2. 2. positive charged atoms
  3. 4. study of how heat is converted to other forms of energy
  4. 5. unit that measure heat
  5. 8. reaction that release heat
  6. 9. nitric sulfuric hydrochloric
  7. 11. neutrally charged atoms
  8. 13. process from a liquid to a solid state
  9. 15. diffusion through a tiny opening
  10. 17. gas law that uses volume and temperature