Property | Value |
---|---|
Atomic number | 54 |
Atomic weight | 131.2936 amu |
Element family | Nobel gases |
Electronic configuration | 1s2 |
Stable and very long lived isotopes | 124Xe: 0.10%, 126Xe: 0.09%, 128Xe: 1.91%, 129Xe: 26.4%, 130Xe: 4.1%, 131Xe: 21.2%, 134Xe: 10.4%, 136Xe: 8.9% |
Previous element | Iodine |
Next element | Cesium |
Density | 0.005887 g/cm3 (STP) |
Melting | -111.7 °C |
Boiling | -107 °C |
Covalent radius | 1.31 Å |
Van der Waals radius | 2.16 Å |
First ionization potential | 12.130 eV |
Electron affinity | -0.800 eV |
Electronegativity | 2.6 |
Discovery year | 1898 |
Xenon is an element number 54 from nobel gases family. Its symbol is Xe. Xenon atomic weight is 131.2936 amu. Xe stable and long lived isotopes are 124Xe: 0.10%, 126Xe: 0.09%, 128Xe: 1.91%, 129Xe: 26.4%, 130Xe: 4.1%, 131Xe: 21.2%, 134Xe: 10.4%, 136Xe: 8.9%. Xenon electronic configuration is 1s22s22p63s23p63d104s24p64d105s25p6. Sample compounds that contain Xenon are XeF4, XeF6, XeO3, XeF2, XeOF4, XePtF6.
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