Electron Configuration

[Ne] 3s2 3p6

Argon means "inactive"
Melting Point: -189.34 oC
Boiling Point: -185.85 oC
Heat of Vaporization: 163.46 J/g
Heat of Fusion: 30.29 J/g
Specific Heat Capacity: 0.520 J/g . Co or 0.12 cal/g . Co
Density: 0.001784 g/cm3