For who have face book
there is a group for chemistry called (chemistry lovers and haters)
this group for chemistry which provide every one by video and notes for chemistry the this group will start in the begging of the new year (sep. 2010) every one can subscribe now and take a tou
http://www.facebook.com/group.php?gid=107748065942013&ref=ts#!/group.php?gid=135936659768412&ref=ts