A Better Chem Text - an online textbook with sample problems. This is a neat project by a teacher from Lower Merion High School, one that may replace our textbooks someday!
Chemmy Bear - This is the website of Mr. Paul Groves - a well respected chemistry teacher in California.
Chemmy Bear Study Cards - A specific link to Mr. Groves' study cards.
Chem Topics - Another teacher's webpage with lectures and notes.
UC Davis ChemWiki - College chemistry online textbook - for further exploration of topics.
Chemistry Online Tools - Mole calculators, molar mass, balancing equations, etc.
Periodic Table of Videos - Info on each element of the periodic table - these are AWESOME.
Interactive Periodic Table
Khan Academy - Tutorial videos for everything under the sun, including chemistry.

AP Central - Chemistry - This is AP Chemistry's home on the web.
Classifying Reactions to help with Predicting Products
Stuff I Should Know For the AP Exam but Don't Know Yet - Page 1, Page 2
Paul Groves' AP Chemistry Notes - Mr. Groves is a teacher who ran my AP Chemistry seminar. His notes are very thorough, and I hope to eventually implement his resources amongst my own.
UC Davis ChemWiki - College chemistry online textbook
Periodic Table of Videos - Info on each element of the periodic table - these are AWESOME.
Interactive Periodic Table
Khan Academy - Tutorial videos for everything under the sun, including chemistry.

This reminds me of my lab days:

These were my freshman chemistry professors in college: