Argon

=Argon= By: Job


 * Atomic Number:** 18


 * Protons:** 18


 * Electrons:18**


 * Neutrons:** 22


 * Average Atomic Mass:** 39.948


 * Discovery:** How was the element discovered? Who discovered it? If you find a site saying "this element has been known since ancient times" that is okay to note for discovery.


 * Name:** Argon is named after the Greek word argos, which means inactive. Argon is an unreactive gas that is found in the earth's atmosphere.


 * Uses:** A rgon gas is used in graphite burners to keep the graphite from burning.

When in crystal form, argon is shaped like a cube. Its melting point is -189.3 degrees celsius and its boiling point is -186 degrees celsius.
 * Interesting Facts** :Argon helps grow silicon and germanium crystals.

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