chemistry

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Across
  1. 3. The best literature on studying of chemistry
  2. 5. it is a molecule with different charges on the ends
  3. 6. structure of the strongest mineral
  4. 7. the lightest metal
  5. 8. Class of the chemical compounds used for production of an anesthesia
  6. 9. Madiar Sh. calls this group of elements men
  7. 10. first element of periodic system of elements
Down
  1. 1. molecule with a high molecular weight
  2. 2. science about substances, their structure, their properties
  3. 4. Hydrocarbons the containing only simple bonds also have a formula CnH2n+2