Nitrogen (N)

Atomic Number: 7

Relative Atomic Mass: 14.00672

Electronegativity: 3.04


Atomic Radius (Picometers): 65


Appearance: Colourless

Occurrence: Natural


Melting Point (Kelvin): 63.15

Boiling Point (Kelvin): 77.36


Stable Isotopes: 14, 15

Discoverer: Daniel Rutherford in 1772

Properties: Colourless, Odorless

First Use: Gunpowder (9th Century)

Modern Uses: Replaces Carbon Dioxide in some Stouts and Ales, Haber Process

Picture Courtesy of Cory Doctorow


©2011 Grant Dwyer