Nomenclature Type III

http://www.youtube.com/watch?v=87SG7s6kXEc

Nomenclature Polyatomic ion compounds

http://www.youtube.com/watch?v=f-QjxRmYDwI

Nomenclature Writing formulas from the chemical name

http://www.youtube.com/watch?v=bVpkVjOvMx0