Oxygen (O)

Atomic Number: 8

Relative Atomic Mass: 15.99943

Electronegativity: 3.44


Atomic Radius (Picometers): 60


Appearance: Colourless (Pale Blue when in Liquid Form)

Occurrence: Natural


Melting Point (Kelvin): 54.36

Boiling Point (Kelvin): 90.20


Stable Isotopes: 16, 17, 18

Discoverer: Joseph Priestly in 1774

Properties: Strong Paramagnetism, Exists Mainly in Diatomic Form

First Use: Unknown

Modern Uses: Renewable Fuel with Hydrogen

Picture Courtesy of Dr. Warwick Hillier


©2011 Grant Dwyer