Anywhere. Or here. We'll fix it later, if necessary. Have you had a chance to browse our forum rules, in red, at the top of every page? They've been newly rewritten, and hopefully avoid ambiguity.
*EDIT*
Well, almost anywhere. You know for sure its not applicable to orgainic chemistry, or molecular biology. Borek:'s suggestions are good places to start. If you really have no chemical background, you might even want to post it in Citizen Chemistry