Billy Ding's List: Metals and Nonmetals

www.google.com/imgres

chemistry.about.com/...Metals-And-Nonmetals.htm metals difference differences chemistry

www.chemicalelements.com/...nonmetals.html chemical elements com

hyperphysics.phy-astr.gsu.edu/...metal.html metals chemistry

video.about.com/...Properties-of-Nonmetals.htm properties video metals nonmetals