Atomic Number: 54
Atomic Weight: 131.293
Melting Point: 161.36 K (-111.79°C or -169.22°F)
Boiling Point: 165.03 K (-108.12°C or -162.62°F)
Density: 0.005887 grams per cubic centimeter
Phase at Room Temperature: Gas
Element Classification: Non-metal
Period Number: 5 Group Number: 18 Group Name: Noble Gas