- Atomic Radius (Å)
Neodymium is a chemical element with symbol Nd and atomic number 60. It is a soft silvery metal that tarnishes in air. Neodymium was discovered in 1885 by the Austrian chemist Carl Auer von Welsbach.
60
Atomic Number
144.24 u
Atomic Mass
1289.15 K
Melting Point
3347 K
Boiling Point
7.01 g/cm³
Density
2.6 Å
Atomic Radius
2.01 Å
Covalent Radius
1.14
Electronegativity
5.53 eV
First Ionization Energy
184.87
Electron Affinity
6
Number of Shells
2, 8, 18, 22, 8, 2
Electron Shell Occupations
0.19 J/g
Specific Heat