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64 - Gadolinium lanthanide

Discovered by Jean de Marignac in 1880

Gadolinium

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.
Shell Electrons Orbitals
1 2 2 in 1s
2 8 2 in 2s + 6 in 2p
3 18 2 in 3s + 6 in 3p + 10 in 3d
4 25 2 in 4s + 6 in 4p + 10 in 4d + 7 in 4f
5 9 2 in 5s + 6 in 5p + 1 in 5d
6 2 2 in 6s
GadoliniumGd Electron 1 Electron 2 Electron 1 Electron 2 Electron 3 Electron 4 Electron 5 Electron 6 Electron 7 Electron 8 Electron 1 Electron 2 Electron 3 Electron 4 Electron 5 Electron 6 Electron 7 Electron 8 Electron 9 Electron 10 Electron 11 Electron 12 Electron 13 Electron 14 Electron 15 Electron 16 Electron 17 Electron 18 Electron 1 Electron 2 Electron 3 Electron 4 Electron 5 Electron 6 Electron 7 Electron 8 Electron 9 Electron 10 Electron 11 Electron 12 Electron 13 Electron 14 Electron 15 Electron 16 Electron 17 Electron 18 Electron 19 Electron 20 Electron 21 Electron 22 Electron 23 Electron 24 Electron 25 Electron 1 Electron 2 Electron 3 Electron 4 Electron 5 Electron 6 Electron 7 Electron 8 Electron 9 Electron 1 Electron 2
157.25  u Atomic Mass
2.5  Å Atomic Radius
3546  K Boiling Point
1.96  Å Covalent Radius
7.9  g/cm³ Density
13.22 Electron Affinity
1.2 Electronegativity
6.15  eV First Ionization Energy
1585.15  K Melting Point
6 Number of Shells
64 Atomic Number
2, 8, 18, 25, 9, 2 Electron Shell Occupations