63
151.964 u
Eu
Europium
Lanthanide
Atomic Structure
Physical State
Group
N/A
Period
6
Block
f
Electron Configuration
[Xe] 4f⁷ 6s²
Physical Properties
Atomic Mass:
151.964 u
Electronegativity:
1.2
Atomic Radius:
247 pm
Ionization Energy:
5.67 eV
Density:
5.244 g/cm³
Melting Point:
1099 K
Boiling Point:
1802 K
Historical Information
Discovered By:
Eugène-Anatole Demarçay
Year Discovered:
1901