64
Gd
gadolinium
157.25

General properties

Group
n/a
Period
period 6
Category
lanthanoids
Standard atomic weight
157.25(3)
Melting point
1585 K (1312 °C)
Boiling point
3273 K (3000 °C)
Phase at STP
solid

Additional properties

Block
f-block
Electron configuration
[Xe] 4f⁷ 5d¹ 6s²
Electrons per shell
2, 8, 18, 25, 9, 2
Electronegativity
1.2
Density
7.90 g/cm³
Oxidation states
0, +1, +2, +3
CAS Number
7440-54-2