54Xe
Xenon
제논 · キセノン
Noble gas
Atomic number54
ElementXe — Xenon
Atomic mass131.29
CategoryNoble gas
Group18
Period5
Electron config[Kr] 4d10 5s2 5p6
Shells2,8,18,18,8
State (RT)Gas
Melting pt-112°C
Boiling pt-108°C
Electronegativity2.6
Discovered1898
Main usesLamps, ion thrusters, anesthesia
2 · 8 · 18 · 18 · 8