66 Dy 162.5001

Dysprosium

LANTHANIDE

Phase: Solid

Discovered: Lecoq de Boisbaudran

Block: F

Summary

Dysprosium is a chemical element with the symbol Dy and atomic number 66. It is a rare earth element with a metallic silver luster. Dysprosium is never found in nature as a free element, though it is found in various minerals, such as xenotime.

Appearance: silvery white

Source: Wikipedia

Physical Properties

Atomic Mass 162.5001 u

Density 8.54 g/cm³

Melting Point 1680 K

Boiling Point 2840 K

Molar Heat 27.7 J/(mol·K)

Electron Affinity 33.96 kJ/mol

Ionization Energies

1^st: 573 kJ/mol

2^nd: 1130 kJ/mol

3^rd: 2200 kJ/mol

4^th: 3990 kJ/mol