Eu
Europium
63
Atomic Number: 63
Atomic mass: 151.9641
Ionization energy: 547
Electronaffinity: -50
Covalent radius:
Calculated radius: 231
Empirical radius: 185
Vanderwaals radius:
Electronegativity: 1.2
Density: 5.24
Oxidation states: 2, 3
Melting point: 1095
Boiling point: 1800
Electron configuration: [Xe] 4f7 6s2
Element group: 10
Element period: 8

To check spectrum of Europium out please install Adobe Flash Player

{{filed}}
{{line[filed]}}