Bibliography+Yazan

Bibliography http://nautilus.fis.uc.pt/st2.5/scenes-e/elem/e01810.html http://www.lenntech.com/Periodic-chart-elements/Ar-en.htm http://www.facts-about.org.uk/science-element-argon.htm http://www.chemie.de/lexikon/e/Argon_fluorohydride http://www.webelements.com/webelements/scholar/elements/argon/compounds.html http://www.webelements.com/webelements/elements/text/Ar/key.html http://upload.wikimedia.org/wikipedia/commons/thumb/3/31/Argon-fluorohydride-3D-vdW.png/200px-Argon-fluorohydride-3D-vdW.png http://chemistry.about.com/od/periodictableelements/ig/Element-Photo-Gallery.--98/Argon.--D4.htm