Netvouz / chebella / tag / valence http://www.netvouz.com/chebella/tag/valence?feed=rss chebella's bookmarks tagged "valence" on Netvouz Valence Shell Electron Pair Repulsion http://www.chemistry-drills.com/VSEPR.php Science chebella Sun, 25 Nov 2007 06:03:59 GMT