Europium
Europium
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Europium ΒΆ
AtomicNumber: 63
Element: Europium
Symbol: Eu
AtomicMass: 151.964
NumberofNeutrons: 89
NumberofProtons: 63
NumberofElectrons: 63
Period: 6
Group: nan
Phase: solid
Radioactive: nan
Natural: yes
Metal: yes
Nonmetal: nan
Metalloid: nan
Type: Lanthanide
AtomicRadius: 2.6
Electronegativity: 1.2
FirstIonization: 5.6704
Density: 5.24
MeltingPoint: 1095.15
BoilingPoint: 1802.0
NumberOfIsotopes: 21.0
Discoverer: Demarcay
Year: 1901.0
SpecificHeat: 0.182
NumberofShells: 6
NumberofValence: nan