Chemistry

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Across
  1. 1. sharing of electron's
  2. 3. technique to separate compounds
  3. 5. (n-1)d 1to9
  4. 8. Drugs used to lower fever
Down
  1. 1. water softening method
  2. 2. which connect two half cells
  3. 4. discovered by madam curie
  4. 6. one of the mostabundantelement from 13 group
  5. 7. battery used in mobiles
  6. 9. biodegradable polymer