Cerium
Cerium
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Cerium ΒΆ
AtomicNumber: 58
Element: Cerium
Symbol: Ce
AtomicMass: 140.116
NumberofNeutrons: 82
NumberofProtons: 58
NumberofElectrons: 58
Period: 6
Group: nan
Phase: solid
Radioactive: nan
Natural: yes
Metal: yes
Nonmetal: nan
Metalloid: nan
Type: Lanthanide
AtomicRadius: 2.7
Electronegativity: 1.12
FirstIonization: 5.5387
Density: 6.77
MeltingPoint: 1071.15
BoilingPoint: 3716.0
NumberOfIsotopes: 19.0
Discoverer: Berzelius
Year: 1803.0
SpecificHeat: 0.192
NumberofShells: 6
NumberofValence: nan