Chemistry

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Across
  1. 2. Mercury ore HgS
  2. 5. 1/2mole of water
  3. 9. Atmass40
  4. 11. Doesnt have charge
  5. 15. Groupofoxygen
  6. 16. Amphotric oxide
  7. 17. Aluminium primary resource
  8. 18. Which Can increase/decrease speed of chemical reaction
  9. 19. lustrous Non Metal
  10. 20. Rogueelement
Down
  1. 1. Eka aluminium
  2. 3. Most electropositive
  3. 4. Rotten egg smell
  4. 6. method used to separate cream from milk
  5. 7. Copper zinc alloy
  6. 8. Rusting in ship
  7. 10. C6H6
  8. 12. Cluster of soap molecules
  9. 13. Sum of proton and neutron
  10. 14. 1mole