Symbol: Xe
Atomic Number: 54
Atomic Weight: 131.29
Element Classification: Inert Gas
Discovered By: Sir William Ramsay; M. W. Travers
Discovery Date: 1898 (England)
Name Origin: Greek: xenos (strange).
Density (g/cc): 3.52 (@ -109°C)
Melting Point (K): 161.3
Boiling Point (K): 166.1
Appearance: Heavy, colorless, and odorless noble gas
Atomic Radius (pm): n/a
Atomic Volume (cc/mol): 42.9
Covalent Radius (pm): 131
Ionic Radius: n/a
Specific Heat (@20°C J/g mol): 0.158
Fusion Heat (kJ/mol): n/a
Evaporation Heat (kJ/mol): 12.65
Thermal Conductivity (@25°C W/m K):
Debye Temperature (K): n/a
Pauling Negativity Number: 0.0
First Ionizing Energy (kJ/mol): 1170.0
Oxidation States: 7
Electronic Configuration: [Kr] 4d¹⁰ 5s² 5p⁶
Lattice Structure: Face-Centered Cubic (FCC)
Lattice Constant (Å): 6.200
Lattice C/A Ratio: n/a