Kseno (Xe) is a chemical element belonging to the category Noble gas, with atomic number 54 and atomic mass 131.2930 u. This sheet describes its fundamental properties, periodic position and physical characteristics.
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Astronomy · Chemical element
Xenon
EL1I
Identity
Name: Kseno
Symbol: Xe
Atomic number: 54
Atomic mass: 131.2930 u
Position in the periodic table
Group: 18
Period: 5
Category: Noble gas
Physico-chemical properties
Standard state: Gas
Melting point: -112°C
Density: Very low
Electron configuration: [Kr] 4d¹⁰ 5s² 5p⁶
Scientific description
Kseno is a chemical element with symbol Xe and atomic number 54.
It belongs to the category of Noble gas and occupies group 18 and period 5.
Its standard atomic mass is 131.2930 u.