NO. 060Lanthanide

Nd

Neodymium

Neodymium is a rare earth metal crucial for making powerful permanent magnets used in motors and electronics.

Crystal Structure

Double hexagonal close-packed (dhcp)

Atomic Mass144.24 u

Density7.01 g/cm³

Melting Point1297 K

Boiling Point3347 K

Atomic Radius181 pm

Electronegativity1.14

Ionization Energy533 kJ/mol

Electron Affinity50 kJ/mol

Bonding TypeMetallic

Oxidation States3

Acid/BaseBasic

ReactivityHigh

Electron Configuration

[Xe] 4f4 6s2

Discovered ByCarl Auer von Welsbach

Year1885

Known Isotopes

Nd-142Nd-143Nd-144Nd-145Nd-146Nd-148Nd-150