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Xenon (Xe) properties


Atomic mass, symbol and atomic number

xenon is a naturally occurring element with the element symbol Xe and the atomic number 54. In the periodic table it stands with an atomic mass of 131.293 u in the 8th main group. The chemical element discovered by William Ramsay in 1898 is not radioactive and is in a gaseous state at room temperature.

Profile: Xenon (English xenon)

General
Chemical element:xenon
Symbol:Xe
Atomic number:54
Group:Noble gas group
Period:5
Block:p-block
Series:noble gases
Appearance:colorless
explorers:William Ramsay
Year of discovery:1898
Atomic properties
Atomic mass:131,293 u
Atomic radius:???
Covalent radius:140 pm
Van der Waals radius:216 pm
Electron configuration:Kr 4d10 5s2 5p6
ionization:1170.4 kJ / mol
Physical Properties
Physical state:gaseous
Density:???
Crystal structure:cubic
Magnetism:diamagnetic
molar volume:35,92 · 10-6 m3/ mol
Mohs hardness:/
Melting point:-111 ° C
Boiling point:-108 ° C
Heat of fusion:2.30 kJ / mol
Heat of vaporization:12.6 kJ / mol
Thermal conductivity:0.005 W
Chemical properties
electronegativity:2,6

Did you know that ...

  • all noble gases, including xenon, can be obtained by the so-called Linde process?
  • Halogen lamps are filled with xenon?
  • Xenon is more common in space than on Earth?