60 Nd 144.2423

Neodymium

LANTHANIDE

Phase: Solid

Discovered: Carl Auer von Welsbach

Block: F

Summary

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.

Appearance: silvery white

Source: Wikipedia

Physical Properties

Atomic Mass 144.2423 u

Density 7.01 g/cm³

Melting Point 1297 K

Boiling Point 3347 K

Molar Heat 27.45 J/(mol·K)

Electron Affinity 184.87 kJ/mol

Ionization Energies

1^st: 533.1 kJ/mol

2^nd: 1040 kJ/mol

3^rd: 2130 kJ/mol

4^th: 3900 kJ/mol