crossword chemistry

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Across
  1. 1. the positive part of an atom
  2. 4. the invisable part of your blood
  3. 7. when water sticks to another substance
  4. 9. the ability for a liquid to flow
  5. 12. the negative part of the atom
  6. 13. when a vapor turns into a liquid
  7. 14. when a solid turns into a gas
  8. 15. made with protons,neutron and electrons
  9. 17. something that has to do with the changing of matter
  10. 18. how toxic something is
Down
  1. 2. the glue part of the atom
  2. 3. a group on the periodic table
  3. 5. when water sticks to water
  4. 6. an element without metal
  5. 8. when water turns into vapor
  6. 10. when something is taken away
  7. 11. what everything is made of
  8. 12. when something is added
  9. 14. does not have spaces or gaps
  10. 16. an invisible vapor in the air