← Back to periodic table

Gadolinium (Gd)

Atomic number: 64 · Category: lanthanide · Group 3 · Period 6 · Phase: Solid

Gadolinium is a chemical element with symbol Gd and atomic number 64. It is a silvery-white, malleable and ductile rare-earth metal. It is found in nature only in combined (salt) form.

Atomic mass: 157.253
Density: 7.9
Melting point: 1585 K
Boiling point: 3273 K
Appearance: silvery white
Source: Wikipedia
Block: f
Molar heat: 37.03
CPK color:#45ffc7

Electronic structure

Electron configuration: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f7 5d1
Configuration (semantic): [Xe] 4f7 5d1 6s2
Shells: 2, 8, 18, 25, 9, 2
Electronegativity (Pauling): 1.2
Electron affinity: 13.22
Ionization energies: 593.4, 1170, 1990, 4250

Periodic position

Group: 3
Period: 6
xpos: 10
ypos: 9

Spectral/Bohr images

Image
Pure (99.95%) Amorphous Gadolinium, about 12 grams, 2 × 1.5 × 0.5 cm, cast in acrylic glass
3D Model