Argon
Links
Especil Gas Inc.: Argon
http://www.c-f-c.com/specgas_products/argon.htm
Numeric data, uses, and general information.
It's Elemental: Argon
http://education.jlab.org/itselemental/ele018.html
Basic physical and historical information.
ChemicalElements.com: Argon
http://www.chemicalelements.com/elements/ar.html
Basic information, atomic structure, and table of isotopes.
Visual Elements: Argon
http://www.chemsoc.org/viselements/pages/argon.html
General and physical information, uses, key isotopes, and ionisation energies.
Wikipedia: Argon
http://www.wikipedia.org/wiki/Argon
Details the properties of the element, including its history, applications, and charateristics.
EnvironmentalChemistry.com: Argon
http://environmentalchemistry.com/yogi/periodic/Ar.html
Atomic structure, chemical and physical properties, and table of nuclides.
WebElements: Argon
http://www.webelements.com/webelements/elements/text/Ar/key.html
Extensive information on history, uses, occurrence, and properties of the element.
Lenntech: Argon
http://www.lenntech.com/Periodic-chart-elements/Ar-en.htm
Physical data, chemical properties, health and environmental effects.