Terbium (Tb)

Atomic Number: 65

Relative Atomic Mass: 158.92535

Electronegativity: 1.10

Atomic Radius (Picometers): 175

Appearance: Silver-White

Occurrence: Natural

Melting Point (Kelvin): 1629

Boiling Point (Kelvin): 3503

Stable Isotopes: 159

Discoverer: Carl Mosander  in 1842

Properties: Ductile, Malleable, Soft

First Use: Unknown

Modern Uses: Fluorescent Lamps, Alloys

Picture Courtesy of images-of-elements.com

©2011 Grant Dwyer