Cerium (Ce)

Atomic Number: 58

Relative Atomic Mass: 140.116

Electronegativity: 1.12

Atomic Radius (Picometers): 185

Appearance: Silver-White

Occurrence: Natural

Melting Point (Kelvin): 1068

Boiling Point (Kelvin): 3716

Stable Isotopes: 136, 138, 140

Discoverers: Wilhelm Hisinger, Jons Berzelius and Martin Klaproth in 1803

Properties: Soft, Ductile, Malleable

First Use: Unknown

Modern Uses: Catalytic Converters, Optical Polishing 

Picture Courtesy of images-of-elements.com

©2011 Grant Dwyer