Dysprosium (Dy)

Atomic Number: 66

Relative Atomic Mass: 162.500

Electronegativity: 1.22

Atomic Radius (Picometers): 175

Appearance: Silver-White

Occurrence: Natural

Melting Point (Kelvin): 1680

Boiling Point (Kelvin): 2840

Stable Isotopes: 158, 160, 161, 162, 163, 164

Discoverer: Paul Emile Lecoq de Boisbaudran in 1886

Properties: Soft

First Use: Unknown

Modern Uses: Lasers, Nuclear Reactors

Picture Courtesy of Materialscientist

©2011 Grant Dwyer