Chemistry

http://www.thecatalyst.org/

a weird site with lots of chemistry links

Try out these quizzes

http://www.sciencequiz.net/lcchemistry/index.html

Core 1. Periodic Table and Atomic Structure 2. Chemical Bonding 3. Stoichiometry, Formulas and Equations

4. Volumetric Analysis

5. Fuels and Heats of Reaction 6. Rates of Reaction 7. Organic Chemistry 8. Chemical Equilibrium 9. Environmental Chemistry: Water

Higher Level: Option 1 1A. Additional Industrial Chemistry 1B. Atmospheric Chemistry

Higher Level: Option 2 2A. Materials 2B. Additional Electrochemistry and the Extraction of Metals