Arsenic


 * Element Name:** Arsenic


 * Element Symbol:** As


 * Atomic Mass:** 75[[image:Arsenic_Fariha_Khan.png width="216" height="288" align="right"]]


 * Atomic Number:** 33


 * Protons:** 33


 * Electrons:** 33


 * Discovery:** Albertus Magnus, a German alchemist in 1250 AD


 * How It Was Named:** From the Latin and Greek word Arsenicum, and the Arabic word Az-zernic


 * State Of Matter:** Solid


 * Melting Point:** -817°C


 * Boiling Point:** 603°C


 * Characteristics:** The element is a steel gray, very brittle, crystalline, semimetallic solid. It tarnishes in air. When it is heated, it rapidly oxidizes to arsenous oxide, which smells of garlic.


 * Uses Of Element:** Rat Poison, and some insecticides.


 * Interesting Facts:** It is used as poisons. And that it was discovered in 1250 AD

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