Gadolinium was only discovered by a Swiss chemist called Jean Charles Galissard de Marignac in 1880.
Name: Gadolinium
Symbol: Gd
Atomic number: 64
Atomic weight: 157.25
State: solid
Group, period, block: n/a, 6, f
Color: silvery white
Classification: lanthanide
Electron configuration: 4f7 5d1 6s2
2,8,18,25,9,2
Physical properties
Density: 7.90 g/cm-3
Melting point: 1585 K,1312 °C,2394 °F
Boiling point: 3546 K,3273 °C,5923 °F
Atomic properties
Oxidation states: 1, 2, 3
Electronegativity: 1.20 (Pauling scale)
Ionization energies: 1st: 593.4 kJ·mol-1
Covalent radius: 196±6 pm
Van der Waals radius: no data
- Gd
Electron Configuration
Isotopes
There are seven naturally occurring isotopes of gadolinium exist, 152Gd, 154Gd, 155Gd, 156Gd, 157Gd, 158Gd, and 160Gd.