Quote from paganno, magnetism is a totally different force... the concept is the same (opposite 'charges' attracting one another) but atoms are not attracted to one another magnetically.
Actually, I remember reading somewhere about why Water is a great cleaner.
The H2O molecule is dipolar. It has a positive and a negative magnetic pole.
Atoms themselves may not be attracted to other atoms through magnetic forces (which I think they actually do), but I'm pretty sure that atoms are held together through weak electromagnetic forces.
--Edit--
Oh Snap, I was right.
Quote from WikipediaThe electrons in an atom are attracted to the protons in the nucleus by the electromagnetic force.