Yttrium (Y)

Atomic Number: 39

Relative Atomic Mass: 80.90585

Electronegativity: 1.22

Atomic Radius (Picometers): 180

Appearance: Silver-White

Occurrence: Natural

Melting Point (Kelvin): 1799

Boiling Point (Kelvin): 3609

Stable Isotopes: 89

Discoverer: Johan Gadolin in 1794

Properties: Soft, Lustrous

First Use: Unknown

Modern Uses: Garnets, Medicine

Picture Courtesy of Alchemist-hp

©2011 Grant Dwyer