Chemistry of Nonmetals
Contains extensive information regarding nonmetallic elements. [PDF Format]

Redox Reactions involving Nonmetals
Information on redox reactions involving nonmetals.

The Chemistry Of Nonmetals
Describes the properties of nonmetals and gives examples some of their chemical reactions.

ChemcialElements.com : Non-Metals
Gives a brief description on the properties of Nonmetals, as well as links to the sites of each of the elements in that category.