Difference between revisions of "Tungsten"

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Revision as of 18:26, November 19, 2008

Tungsten
Properties
Atomic symbol W
Atomic number 74
Classification Transition Metal
Atomic mass 183.84 amu
Other Information
Date of discovery 1783
Name of discoverer José and Fausto Elhuyar
Name origin From the Swedish tung sten meaning heavy stone.
Uses Due to its high melting point, tungsten is suitable for aerospace and high temperature uses which include drilling, electrical, heating, and welding applications.
Obtained from Tungsten is found in the minerals wolframite , scheelite, ferberite and hübnerite. The metal is commercially produced by reducing tungsten oxide with hydrogen or carbon..