XENON

 XENON (54) (GASEOUS)  133(5.25 days)B-  135(9.1 hours)B-

Atomic radius:1.24Deg. A (Quantum mech. value for a free atom)

Atomic volume:37.3 cm(3)/mol at 300Deg. Kelvin

Atomic weight:131.3 (Based on Carbon 12)

Boiling point:165.03Deg. Kelvin

Covalent radius:1.31Deg. A

Crystal structure:Cubic,face centered

Density:5.89 g/l at 273Deg. Kelvin and 1atm.

Electrical conductivity:

Electron configuration:1s(2)2s(2)p(6)3s(2)p(6)3d(10)4s(2)p(6)4d(10)5s(2)p(6)

Electronegativity:

First ionization potential:12.13 V

Heat of fusion:2.297 kJ/mol at melting point

Heat of vaporization:12.636 kJ/mol at boiling point

Melting point:161.36Deg. Kelvin

Oxidation states:

Specific heat capacity:.158 Jg(x.1) K(x.1) at 300Deg. Kelvin

Thermal conductivity:.0000569 W cm(x.1) K(x.1) at 300Deg. Kelvin

Description:A heavy,colorless and relatively inert gaseous element that occurs

in air as about 1 part in 20 million by volume and is used in thyratrons and

specialized flash tubes.

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