Chemistry revision

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Across
  1. 2. a method of preparing insoluble salts
  2. 3. atoms of the same element with the same number of protons but different number of neutrons
  3. 6. proton acceptor
  4. 10. the name of Group 7 in the Periodic Table
  5. 11. a method of separating nitrogen from air
  6. 12. proton donor
  7. 13. particles that carry the current in metals
  8. 14. liquid metal
  9. 16. metals can be beaten / hammered into sheets
  10. 17. the gain of electrons
Down
  1. 1. metals can be stretched / drawn out into wires
  2. 3. particles that carry the current in aq. ionic compounds
  3. 4. a solution that contains the maximum amount of solute at specific temp.
  4. 5. the weak force of attraction between molecules
  5. 7. an oxide that reacts with both strong acid and strong base by neutralisation reaction
  6. 8. liquid non-metal
  7. 9. a form of carbon made of layers of hexagons and forms giant covalent structure
  8. 15. soluble base
  9. 18. more than enough