Argon


 * Element Name:** Argon


 * Element Symbol:** Ar
 * Atomic Mass:** 40[[image:argon.gif align="right"]]


 * Atomic Number:** 18[[image:Argon_Austin.png width="216" height="288" align="right"]]


 * Protons:** 18


 * Electrons:** 18


 * Discovery:** Sir William Ramsay in 1894


 * How It Was Named:** "Argon" Comes From The Greek Word Apyov Meaning "The Inactive One."


 * State of Matter:** Gas


 * Melting Point:** -189.85°C


 * Boiling Point:** -185.85°C


 * Characteristics:** Non toxic, odorless, a colorless gas exhibiting an lilac/violet glow when placed in a high voltage electric field.


 * Uses of The Element:** To fill incandescent and fluorescent light bulbs to prevent oxygen from corroding the hot filament.


 * Interesting Facts:** It's more common than carbon dioxide, Its 40 in the Earth's crust, Its triple point temperature of 83.8058K in the international temperature scale of 1990, and It's produced in super nova's.

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