Xenon

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Xenon
131.293(6)



  Xe
54
1s22s22p63s23p63d10 4s24p64d105s25p6
[ ? ] Noble gas:


Xenon is a chemical element, having the chemical symbol Xe. Its atomic number (the number of protons) is 54. It has a standard atomic weight of 131.293 g•mol−1, and is typically found as a gas in its elemental form.

Xenon is a monatomic noble gas. At a pressure of 101.325 kPa, it has a boiling point of -108.12 °C, and a melting point of -111.79 °C

It forms a few compounds with oxygen, fluorine and chlorine.