Template:Infobox xenon

Xenon,  54Xe
Template:Infobox element/symbol-to-top-image-alt
General properties
PronunciationTemplate:Infobox element/pronunciation
Appearancecolorless gas, exhibiting a blue glow when placed in an electric field
Standard atomic weight (Ar, standard)Template:Infobox element/standard atomic weight
Mass numberTemplate:Infobox element/symbol-to-most-stable-isotope (most stable isotope)
Xenon in the periodic table
Template:Infobox element/periodic table
Atomic number (Z)54
GroupTemplate:Infobox element/group
Periodperiod 5
Blockp-block
Element categoryTemplate:Infobox element/category format
Electron configuration[Kr] 4d10 5s2 5p6
Electrons per shell
2, 8, 18, 18, 8
Physical properties
Phase at STPgas
Melting point161.40 K ​(−111.75 °C, ​−169.15 °F)
Boiling point165.051 K ​(−108.099 °C, ​−162.578 °F)
Density (at STP)5.894 g/L
when liquid (at b.p.)2.942 g/cm3[1]
Triple point161.405 K, ​81.77 kPa[2]
Critical point289.733 K, 5.842 MPa[2]
Heat of fusion2.27 kJ/mol
[[Enthalpy of vaporization|Heat of Template:Engvar]]12.64 kJ/mol
Molar heat capacity21.01[3] J/(mol·K)
[[Vapor pressure|Template:Engvar pressure]]
Atomic properties
Oxidation statesTemplate:Infobox element/symbol-to-oxidation-state
ElectronegativityPauling scale: 2.6
[[Ionization energy|Template:Engvar energies]]
  • 1st: 1170.4 kJ/mol
  • 2nd: 2046.4 kJ/mol
  • 3rd: 3099.4 kJ/mol
Covalent radius140±9 pm
Van der Waals radius216 pm
Template:Infobox element/spectral lines
Other properties
Crystal structureTemplate:Infobox element/crystal structure
Speed of soundgas: 178 m·s−1
liquid: 1090 m/s
Thermal conductivity5.65×10−3 W/(m·K)
Magnetic orderingdiamagnetic[4]
Magnetic susceptibility−43.9·10−6 cm3/mol (298 K)[5]
CAS Number7440-63-3
History
Discovery and first isolationWilliam Ramsay and Morris Travers (1898)
Main isotopes of xenon
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| references

Template:Infobox element/element navigation Template:Template reference list Expression error: Unrecognized word "template".

  1. "Xenon". Gas Encyclopedia. Air Liquide. 2009.
  2. 2.0 2.1 Template:RubberBible92nd
  3. Hwang, Shuen-Cheng; Weltmer, William R. (2000). "Helium Group Gases". Kirk-Othmer Encyclopedia of Chemical Technology. Wiley. pp. 343–383. doi:10.1002/0471238961.0701190508230114.a01. ISBN 0-471-23896-1.
  4. Magnetic susceptibility of the elements and inorganic compounds, in Template:RubberBible86th
  5. Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4.