A great way to help you memorize the entire periodic table. Best if used in conjunction with These are the Elements:
this one is more catchy http://www.youtube.com/watch?v=r7hO-1ItqXw
The "catchy" one is by Tom Lehrer from the 60's. It's set to the tune of "Modern Major General" which I believe is from the Pirates of Penzance. It's just plain awesome! I've got most of it memorized, but at the end it gets ridiculous.
The one by Tom Lehrer is way better than these two…