Neodymium

Lanthanide · 144.24 u · group 3, period 6

Neodymium · Nd

Atomic number60

SymbolNd

CategoryLanthanide

Standard stateSolid

Group · Period · Block3 · 6 · f

Electron configuration[Xe]6s2 4f4

Atomic mass144.24 u

Atomic radius229 pm

Protons / Neutrons / Electrons60 / 84 / 60

Shells (e⁻ per shell)2, 8, 18, 22, 8, 2

Electronegativity (Pauling)1.14

Ionization energy5.525 eV

Electron affinity—

Oxidation states+3

Melting point1.29e+3 K · 1.02e+3 °C

Boiling point3.35e+3 K · 3.07e+3 °C

Density7.01 g/cm³

Year discovered1885

CPK color

#C7FFC7

State at room temp (25 °C)

solid

Position