58Ce
Cerium
세륨 · セリウム
Lanthanide
Atomic number58
ElementCe — Cerium
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
2 · 8 · 18 · 19 · 9 · 2
Group 3
Sc ScandiumY YttriumLa LanthanumPr PraseodymiumNd NeodymiumPm PromethiumSm SamariumEu EuropiumGd GadoliniumTb TerbiumDy DysprosiumHo HolmiumEr ErbiumTm ThuliumYb YtterbiumLu LutetiumAc ActiniumTh ThoriumPa ProtactiniumU UraniumNp NeptuniumPu PlutoniumAm AmericiumCm CuriumBk BerkeliumCf CaliforniumEs EinsteiniumFm FermiumMd MendeleviumNo NobeliumLr Lawrencium