Periodic Table of Elements




Neodymium was discovered by Baron Carl Auer von Welsbach in Vienna, Austria in 1885.

Name: Neodymium
Symbol: Nd
Atomic number: 60
Atomic weight: 144.24
State: solid
Group, period, block: n/a, 6, f
Color: silvery white
Classification: lanthanide
Electron configuration: 4f4 6s2

Physical properties

Density: 7.01 g/cm-3
Melting point: 1297 K,1024 C,1875 F
Boiling point: 3347 K,3074 C,5565 F

Atomic properties

Oxidation states: 3, 2, 1
Electronegativity: 1.14 (Pauling scale)
Ionization energies: 1st: 533.1 kJmol-1
Covalent radius: 2016 pm
Van der Waals radius: no data
  • Nd
  • Electron Configuration


There are seven naturally occurring isotopes of neodymium exist, 142Nd, 143Nd, 144Nd, 145Nd, 146Nd, 148Nd, and 150Nd.