key terms chem

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Across
  1. 3. high melting point
  2. 4. dense
  3. 5. does not conduct electricity
  4. 7. positively charged ion
  5. 9. the relationship between two opposites
  6. 11. has lost electrons
  7. 13. two elements combined
  8. 16. farthest right group on the periodic table
Down
  1. 1. has gained electrons
  2. 2. condution of ____
  3. 6. no charge
  4. 8. biggest group on the periodic table
  5. 10. the prefix for the number 5
  6. 12. an atom or molecule with a net electric charge
  7. 14. free to move (not dense)
  8. 15. negatively charged ion