Organic Chemistry
General Chemistry Review and Supplemental Sources
Lecture notes from Organic Chemistry I: first lecture (A Great Review) MIT Open Courseware
A presentation of Formal Charge from UCLA: .pdf file downloads--please be patient!
MO Theory and Bond Hybridization, MIT Open Courseware .pdf
Conformational Analysis of Alkanes, Newman Projections
Virtual Textbook and Problems including some great stuff on stereochemistry (thanks to Michigan State University)