Argon Element

Argon
Atomic Number	: 18
Atomic Weight	: 39.948
Boiling Point	: -185.85^oC
Melting Point	: -189.35^oC
Phase at Room Temperature:	: Gas
Element Classification:	: Non-Metal
Period Number:	: 3
Discovered Year:	: 1894
Discovered by:	: Lord Rayleigh and Sir William Ramsay