64
157.25 u
Gd
Gadolinium
Lanthanide
Atomic Structure
Physical State
Group
N/A
Period
6
Block
f
Electron Configuration
[Xe] 4f⁷ 5d¹ 6s²
Physical Properties
Atomic Mass:
157.25 u
Electronegativity:
1.2
Atomic Radius:
233 pm
Ionization Energy:
6.15 eV
Density:
7.9 g/cm³
Melting Point:
1585 K
Boiling Point:
3546 K
Historical Information
Discovered By:
Jean Charles Galissard de Marignac
Year Discovered:
1880