I have worked on this site awhile. I really enjoy it I am gonna go for a new look and layout soon but I want to get things just right. So take a look at http://www.mychemistrytutor.com/forums help me figure out how to make it just so right for the user Adsense is the least of my concerns. MOst of the time I dont even keep it up
It's nice so far. You should add an "experiements" section where chemists or hobbyists can share their findings or experiments in general.