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Xenon


5
54
131.29
KEY
Chemical Element Symbol Key

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Xenon
Columbia Encyclopedia
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Cesium (Cs)
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


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