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Eu - Europium - periodic table of the elements

Discovered by Demarçay in 1901. Apparently, it was named after Europe.


Atomic number - 63 Density g/mL 5 .26
Atomic weight u 151 .96 Melting point K 1090
Bonding radius A 1 .85 Boiling point K 1870
Atomic radius A 2 .56 Heat of vaporization kJ/mol 143 .5
Ionization Potential V 5 .67 Heat of fusion kJ/mol 9 .21
Electronegativity - 1 .2 Specific heat J/gK 0 .18
The oxide is mildly basic.
Crystal are body centered cubic.

Electron configuration: [Xe] 4f7 6s2

Other elements of the periodic table

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HHe
LiBeBCNOFNe
NaMgAlSiPSClAr
KCaScTiVCrMnFeCoNiCuZnGaGeAsSeBrKr
RbSrYZrNbMoTcRuRhPdAgCdInSnSbTeIXe
CsBaLa * HfTaWReOsIrPtAuHgTlPbBiPoAtRn
FrRaAc ** RfDbSgBhHsMt110111112113
Lanthanides* CePrNdPmSmEuGdTbDyHoErTmYbLu
Actinides ** ThPaUNpPuAmCmBkCfEsFmMdNoLr