- 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
Atomic Mass (u)
1289.15
Melting Point (K)
3347
Boiling Point (K)
7.01
Density (solid: g/cm³, gas: g/liter)
2.6
Atomic Radius (Å)
2.01
Covalent Radius (Å)
1.14
Electronegativity
5.53
First Ionization Energy (eV)
184.87
Electron Affinity
6
Number of Shells
2, 8, 18, 22, 8, 2
Electron Shell Occupations
0.19
Specific Heat (J/g)