Some great sites for additional practice.
www.khanacademy.org
www.highschoolace.com
practice chemistry problems here
Chemistry Wiki
LuHi Chemistry Web Book
Chemistry Calendar and Announcements
Lab safety and write up guidelines, syllabus, and useful charts
Unit Number 1
Unit Number 2
Unit Number 3
Unit Number 4
Unit Number 5
Unit Number 6
Unit Number 7