Europium (Eu)

Atomic Number: 63

Relative Atomic Mass: 151.964

Electronegativity: 1.20

Atomic Radius (Picometers): 185

Appearance: Silver-White

Occurrence: Natural

Melting Point (Kelvin): 1099

Boiling Point (Kelvin): 1802

Stable Isotopes: 153

Discoverer: Eugene-Anatole Dermarcay in 1896

Properties: Hard, Ductile

First Use: Television Sets (Unknown)

Modern Uses: Fluorescent Lamps, Superconducting

Picture Courtesy of Jurii

©2011 Grant Dwyer