Tungsten: Difference between revisions
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imported>David Yamakuchi m (New page: {{subpages}}{{Basic elemental info}} Because of it's very high melting point, Tungsten filaments were used for many years in incandescent [[Electric light|lig...) |
imported>Ro Thorpe mNo edit summary |
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{{subpages}}{{Basic elemental info}} Because of | {{subpages}}{{Basic elemental info}} Because of its very high melting point, tungsten [[filament]]s were used for many years in [[Incandescent lighting|incandescent]] [[Electric light|light bulbs]]. <references/> | ||
Revision as of 18:52, 13 January 2011
Tungsten is a chemical element, having the chemical symbol W.
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Its atomic number (the number of protons) is 74. It has a Standard Atomic Weight of 183.84(1), and is typically found as a solid in its elemental form.
Tungsten is considered to be a member of the "Transition metal" class of elements, has a boiling point of 5,555 °C , and a melting point of 3,422 °C . Because of its very high melting point, tungsten filaments were used for many years in incandescent light bulbs.