General Chemistry Help Online
If you are having trouble with basic general chemistry concepts, you may find the topics covered in the website helpful.

American Chemical Society

The American Chemical Society provides excellent career information, sponsors a number of national and regional conferences each year, and publishes the Chemical & Engineering News.

Science Magazine

Sigma Aldrich Chemical Company

Nuts and Bolts of NMR and Other Spectroscopic Techniques

NIST Chemistry WebBook

Practice Problems in NMR and IR Spectroscopy

ChemWeb

MSDS Search

Scifinder Scholar

Cambridge Crystallographic Data Centre (CCDC)