Periodic table of the elements
LanthanumCeriumPraseodymium
58
Ce
Cerium
140.116
2
8
18
19
9
2
58
Ce
Cerium
140.116
2
8
18
19
9
2
General
NameCerium
SymbolCe
Number58
Chemical seriesLanthanides
Group / Period0 / 6
Blockf-block
CAS registry number7440-45-1

Physical properties
Statesolid
Density6.770 g/cm3
Melting point1068 K (795 °C, 1463 °F)
Boiling point3716 K (3443 °C, 6229 °F)
Critical point

Atomic properties
Atomic Weight140.116 g/mol
Crystal structurecubic face centered
Electronegativity1.12
Atomic radius185 pm
Atomic radius (calculated)
Electron configuration[Xe] 4f1 5d1 6s2
Electrons per shell2, 8, 18, 19, 9, 2
Number of protons58
Number of neutrons82

Other languages
SpanishCerio
PortugueseCério
FrenchCérium
GermanCer
ItalianCerio
RussianЦерий
PolishCer
Chinese
Arabicسيريوم
TurkishSeryum
DutchCerium


Periodic table of the elements
LanthanumCeriumPraseodymium