Tellurium (Te)

Atomic Number: 52

Relative Atomic Mass: 127.60

Electronegativity: 2.10

Atomic Radius (Picometers): 140

Appearance: Silver-Grey

Occurrence: Natural

Melting Point (Kelvin): 722.66

Boiling Point (Kelvin): 1261

Stable Isotopes: 122, 124, 125, 126

Discoverer: Franz-Joseph Müller von Reichenstein in 1782

Properties: Brittle, Toxic

First Use: Thermoelectrics (1960s)

Modern Uses: Metallurgy, Colour Ceramics

Picture Courtesy of images-of-elements.com

©2011 Grant Dwyer