Ytterbium (Yb)

Atomic Number: 70

Relative Atomic Mass: 173.0545

Electronegativity: 1.10

Atomic Radius (Picometers): 175

Appearance: Silver-White

Occurrence: Natural

Melting Point (Kelvin): 1097

Boiling Point (Kelvin): 1469

Stable Isotopes: 168, 170, 171, 172, 173, 174,176

Discoverer: Jean Charles Galissard de Marignac in 1878

Properties: Malleable, Soft, Ductile

First Use: Unknown

Modern Uses: Gamma Ray Source, Stainless Steel

Picture Courtesy of Jurii

©2011 Grant Dwyer