http://www.chemhelper.com - This
college-level helper focus' mainly on "organic
chemisty". Contains tutorials, practice tests,
glossary and more.
http://www.chem4kids.com - This site was
designed to teach the basics of chemistry to
kids ages 5-11. Provides information on
matter, atoms, elements, the periodic table,
reactions, and biochemistry.
http://www.chemistrylecturenotes.com -
These pages were developed by Kurt Wicks,
a teacher at Westtown School, a coed
boarding school and cover high school
chemistry and an introduction to the college
level course. Topics are easily navigated and
presented in slide-show form.