Carbon (C)

Atomic Number: 6

Relative Atomic Mass: 12.01078

Electronegativity: 2.55


Atomic Radius (Picometers): 70


Appearance: Clear (Diamond), Black (Graphite)

Occurrence: Natural


Sublimation Point (Kelvin): 3915


Stable Isotopes: 12, 13

Discoverer: The Ancients

Properties: Diamond - Hard, Abrasive, Electrical Insulator, Thermal Conductor

                   Graphite - Soft, Lubricant, Electrical Conductor, Thermal Insulator 

First Use: Manufacture of Bronze and Smokeless Fuel (3750 BC)

Modern Uses: Jewelry and Printing

Picture Courtesy of Rob Lavinsky


©2011 Grant Dwyer