I am producing a list of e-learning courses on this topic because it appears one of the major gaps in the Saudi school system (is it true that high school science is history of guys like ibn Sina)
Results of googling bring up: Pearsons Mastering Chemistry which is a 24x7 tutoring system and homework helper (other titles include
http://www.masteringchemistry.com/site/support/search.html?search_url=http%3A%2F%2F247xl.custhelp.com%2Fcgi-bin%2F247xl.cfg%2Fphp%2Fenduser%2Fstd_alp.php%3Fp_lva%3D%26p_li%3D%26p_accessibility%3D0%26p_redirect%3D%26p_page%3D1%26p_cv%3D%26p_pv%3D2.379%26p_prods%3D371%252C379%26p_cats%3D0%26p_hidden_prods%3D%26prod_lvl1%3D371%26prod_lvl2%3D379%26prod_lvl3%3D0%26cat_lvl1%3D0%26p_search_text%3D%26p_new_search%3D1%26p_search_type%3Danswers.search_nl
learn+chemistry+online http://chemistry.about.com/od/onlinecourses/Online_Chemistry_Courses.htm
