Covalent Bonding

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Across
  1. 5. north south
  2. 9. molecular ion
  3. 10. chemistry
  4. 11. theory
  5. 12. dial element
  6. 17. negative
  7. 18. healthy together
  8. 19. formula
  9. 20. one
Down
  1. 1. alone
  2. 2. opposite of polar
  3. 3. two
  4. 4. number
  5. 6. dots
  6. 7. three
  7. 8. strong together
  8. 13. strong
  9. 14. together energy
  10. 15. 8
  11. 16. two compound