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58Ce

Cerium

세륨 · セリウム

Lanthanide

Atomic number58
ElementCeCerium
Atomic mass140.12
CategoryLanthanide
Group3
Period6
Electron config[Xe] 4f1 5d1 6s2
Shells2,8,18,19,9,2
State (RT)Solid
Melting pt795°C
Boiling pt3443°C
Electronegativity1.12
Discovered1803
Main usesCatalytic converters, polishing
Ce58
2 · 8 · 18 · 19 · 9 · 2
Bohr model

Group 3