Here are some fun and/or useful chemistry links:

El Diamante's Amazing AP Chem Resource Site:

http://www.sciencegeek.net/APchemistry/index.shtml

AP Chemistry Site:

http://www.collegeboard.com/student/testing/ap/sub_chem.html

Mr. Kemper's Site (AP Chem teacher at Service)

http://www.asdk12.org/staff/kemper_steve/pages/default.htm

The three minute advanced VSEPR movie

http://www.dnatube.com/video/4768/What-is-VSEPR-theory-in-chemistry

The relaxing volcano site:

http://legacyweb.chemistry.ohio-state.edu/betha/nealChemBal/

Another great AP Chem resource

http://www.jesuitnola.org/upload/clark/ap_exam_prep.htm

This is the best periodic table site I know of:

http://www.webelements.com

Want to know what the orbitals (s,p,d,f, and even g) look like?

http://www.shef.ac.uk/chemistry/orbitron/index.html

Chemistry Comes Alive! Sample Movies:

http://jchemed.chem.wisc.edu/JCESoft/CCA/CCA0/SAMPMOVS.HTM

Dihydrogen Monoxide Research Division - dihydrogen monoxide:

http://www.dhmo.org/

Americans for Common Cents Online:

http://www.pennies.org/

VSEPR Tutorial:

http://cost.georgiasouthern.edu/chemistry/general/molecule/tutorial/

HowStuffWorks - Learn how Everything Works!

http://www.howstuffworks.com/

Spectral Lines

http://www.colorado.edu/physics/2000/quantumzone/

Orbitals:

http://www.colby.edu/chemistry/OChem/DEMOS/Orbitals.html

Here's a cool site dealing with powers of 10:

http://micro.magnet.fsu.edu/primer/java/scienceopticsu/powersof10/index.html

My favorite comic: Foxtrot

http://www.foxtrot.com/

Great Hess's Law Site: (practice problems)

http://chemistry2.csudh.edu/lecture_help/Hesslaw.html

Molecules in Equilibrium Site: (the dots!)

http://www.chem.uci.edu/undergrad/applets/sim/simulation.htm

Here's an Equilibrium site that lets you manipulate Q and K:

http://www.stolaf.edu/people/hansonr/divgraph/equil.htm

A great titration simulator:

http://artsandscience.concordia.ca/facstaff/A-C/BIRD/c206/titration_demo.html

Very fun Molecular Geometry Site:

http://www.creative-chemistry.org.uk/molecules/index.htm

Brainiacs Alkali Metals Movie Site:

http://video.google.com/videoplay?docid=-2134266654801392897&q=brainiac+alkali+metals&pl=true

A chemistry practice site:

http://howard.nebrwesleyan.edu/hhmi/fellows/sloder/practice.html

Prussian Blue as an antidote to radioactive cesuim and thorium:

http://www.fda.gov/cder/foi/label/2003/021626lbl.pdf

Here's a good review of the five types of chemical reactions:

http://www.pennmanor.net/schools/hs/canady/web_page_web_class/taylor_portfolio_webpage/Chemistry/chemistry/reactions/pages/intoR.html

UC Irvine's set of mini animations (applets) regarding the behaviour of gases:

http://www.chem.uci.edu/undergrad/applets/

Gorgeous snow! An incredible site focusing on snow and ice crystal formation:

http://www.its.caltech.edu/~atomic/snowcrystals/

Here's the Honda Rube-Goldberg Commercial:

http://autorepair.about.com/library/multimedia/hhonda-ad-300k.swf

The Charles' Law Lab:

http://www.chm.davidson.edu/ChemistryApplets/GasLaws/CharlesLaw.html

Significant Figures Practice:

http://www.sciencegeek.net/APchemistry/APtaters/sigfigs.htm

Do you have a site to recommend? Please e-mail me the address!