Scandium (Sc)

Atomic Number: 21

Relative Atomic Mass: 44.9559126

Electronegativity: 1.36


Atomic Radius (Picometers): 160


Appearance: Silvery White


Occurrence: Natural

Melting Point (Kelvin): 1814

Boiling Point (Kelvin): 3109

Stable Isotopes: 45


Discoverer: Lars Fredrik Nilson in 1879

Properties: Soft, Dissolves in Most Dilute Acids

First Use: Aluminium Alloys (1971)

Modern Uses: Lamps, Tracing Agents

Picture Courtesy of Alchemist-hp


©2011 Grant Dwyer