Samples of matter or elements just what is the difference.

What does it matter if it is an element or a molecule, who cares? Check these out for a better understanding.

http://www.youtube.com/watch?v=7Gc8tCkDKqI

http://www.youtube.com/watch?v=GyA38vUV2BQ

http://www.youtube.com/watch?v=qmgE0w6E6ZI&feature=related