64 Gd 157.253

Gadolinium

LANTHANIDE

Phase: Solid

Discovered: Jean Charles Galissard de Marignac

Block: F

Summary

Gadolinium is a chemical element with symbol Gd and atomic number 64. It is a silvery-white, malleable and ductile rare-earth metal. It is found in nature only in combined (salt) form.

Appearance: silvery white

Source: Wikipedia

Physical Properties

Atomic Mass 157.253 u

Density 7.9 g/cm³

Melting Point 1585 K

Boiling Point 3273 K

Molar Heat 37.03 J/(mol·K)

Electron Affinity 13.22 kJ/mol

Ionization Energies

1^st: 593.4 kJ/mol

2^nd: 1170 kJ/mol

3^rd: 1990 kJ/mol

4^th: 4250 kJ/mol