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36Kr

Krypton

크립톤 · クリプトン

Noble gas

Atomic number36
ElementKrKrypton
Atomic mass83.798
CategoryNoble gas
Group18
Period4
Electron config[Ar] 3d10 4s2 4p6
Shells2,8,18,8
State (RT)Gas
Melting pt-157°C
Boiling pt-153°C
Electronegativity3
Discovered1898
Main usesLighting, high-speed lamps
Kr36
2 · 8 · 18 · 8
Bohr model

Group 18