This is an old revision of this page, as edited by Mav (talk | contribs) at 05:59, 6 January 2002 (added external link to LANL info on Ar + link to periodic table). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.
Revision as of 05:59, 6 January 2002 by Mav (talk | contribs) (added external link to LANL info on Ar + link to periodic table)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)An chemical element, in the periodic table Argon has the symbol Ar and atom number 18.
One of the noble gases in period 8, diatomic Argon makes up about 1% of the Earth's atmosphere. It is used in lighting as it will not react with the filament in a lightbulb even under high temperatures, and other cases where Nitrogen is an unsuitable (semi-)inert gas.
Los Alamos National Laboratory's Chemistry Division: Periodic Table - Argon
See: Periodic Table