Definition	From "argan" or inactive. the most abundant of noble gases. adn third of the most prevalent gas in the earth's atmosphere. its industrial forte is in welding, the inert atmosphere it provides will not burn the welded metals.
Discovery	1894 by Sir William Ramsey and John William Strutt rayleigh of britain.
Uses	light bulbs, arc welding, flourescent light
Group of Elements	Noble Gas(gas)
Atomic Weight	39.948
Oxidation State	0
Melting Point	-189.2
Boiling Point	-185.7
Density	1.65 g/cm3
Electronegativity	--