54 Xe 131.29

Xenon

Category: Noble gas | State: Gas

Atomic Properties

Atomic Number 54
Atomic Mass 131.29
Electronic Configuration [Kr] 4d¹⁰ 5s² 5p⁶

Periodic Table Placement

Group 18
Period 5
Block p-block

Physical Properties & Discovery

Melting Point -111.7°C
Boiling Point -108.1°C
Density 0.005887 g/cm³
Discovered By William Ramsay & Morris Travers (1898)

Frequently Asked Questions about Xenon