Ions & Molecules

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Across
  1. 5. Cl2, N2, O2, H2, Br2 are ___ molecules
  2. 7. name of negative ion in MgBr2
  3. 9. negative charged ion
  4. 10. SO42- is a ____ ion
  5. 12. sharing 2 pairs of electrons forms a __ bond
  6. 15. sum of pos and neg charges in an ion
  7. 16. sharing 1 pair of electrons forms a __ bond
  8. 17. polyatomic ion with overall positive charge
  9. 18. bond that forms by sharing valence electrons
  10. 19. forms when 2 or more atoms share electrons
  11. 20. bond between Na+ and Cl-
Down
  1. 1. name of this polyatomic ion OH-
  2. 2. positive charged ion
  3. 3. name the 2nd non metal in NO3
  4. 4. name of this polyatomic ion HCO3-
  5. 6. name the 2nd non metal in CO
  6. 8. separation of charges in a polar bond
  7. 11. sharing 3 pairs of electrons forms a __ bond
  8. 13. transition elements have ____ charge
  9. 14. sharing covalent bonds equally or unequally