Samarium (Sm)

Atomic Number: 62

Relative Atomic Mass: 150.36

Electronegativity: 1.17

Atomic Radius (Picometers): 185

Appearance: Silver-White

Occurrence: Natural

Melting Point (Kelvin): 1345

Boiling Point (Kelvin): 2067

Stable Isotopes: 144, 149, 150, 152, 154

Discoverer: Paul Emile Lecoq de Boisbaudran in 1879

Properties: Hard

First Use: Control Rods (Unknown)

Modern Uses: Magnets, Chemical Reagent

Picture Courtesy of images-of-elements.com

©2011 Grant Dwyer