Tuesday 12 July 2011

Fluorine (F)

Atomic Number: 9

Relative Atomic Mass: 18.99840325

Electronegativity: 3.98


Atomic Radius (Picometers): 50


Appearance: Pale Yellow

Occurrence: Natural


Melting Point (Kelvin): 53.53

Boiling Point (Kelvin): 85.03


Stable Isotopes: 19

Discoverer: Henri Moissan in 1886

Properties: Highest Electronegativity, Exists Mainly as Diatomic Molecules

First Use: Smelting (1529)

Modern Uses: Etching Glass, Toothpaste


File:Liquid fluorine tighter crop.jpg


Picture Courtesy of Prof B. G. Mueller

©2011 Grant Dwyer

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