Why Is Argon Used in Electric Light Bulbs?

Answer

Argon is used in electric light bulbs to keep the filament from burning up too fast. It is also used to fill fluorescent and incandescent light bulbs to prevent oxygen from corroding the hot filament.
Q&A Related to "Why Is Argon Used in Electric Light Bulbs"
because it has an electronic configuration of 1s2 2s2 2p6 and has a full outer shel of electrons and does not form an ion.
http://wiki.answers.com/Q/Why_argon_is_used_to_fil...
(1) If you have "air" inside a bulb, the tungsten filament will rapidly burn itself out. You can have a vacuum, but that is more difficult to build and puts undue stress
http://uk.answers.yahoo.com/question/index?qid=201...
A gas is used in incandescent light bulbs so that metal atoms(tungsten) from the very hot filament collide with the argon atoms and are reflected back to the filament;without the
http://answers.yahoo.com/question/index?qid=201110...
Tungsten cannot be found as a free metal. It only occurs in the Earth's crust as a compound metal, such as calcium tungstate or lead tungstate. Worse, it is present in small amounts
http://www.ehow.com/about_6465220_tungsten-used-li...
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