This half day started out rather lazily - I didn't want to attend school.
To some extent, I really wasn't going to, but I figured that I had a chemistry quiz worth my time of doing. So, I did.
I learned something -
http://www.thestar.com/NASApp/cs/ContentServer?pagename=thestar/Layout/Article_Type1&c=Article&cid=1144360212246&call_pageid=968332188492&col=968793972154&t=TS_Home Good luck with exams.