Argon (Ar)

Atomic Number: 18

Relative Atomic Mass: 39.9481

Electronegativity: Unknown


Atomic Radius (Picometers): Unknown


Appearance: Colourless (Lilac/Violet when subjected to a High Voltage Electric Field)

Occurrence: Natural


Melting Point (Kelvin): 83.80

Boiling Point (Kelvin): 87.80

Stable Isotopes: 36, 38, 40


Discoverer: Sir William Ramsay in 1894

Properties: Odorless, Non-toxic, Inert, Monotomic

First Use: Unknown

Modern Uses: Medicine, Scientific Research

Picture Courtesy of Alchemist-hp


©2011 Grant Dwyer