Cerium


 * Element Name:** Cerium


 * Element Symbol:** Ce


 * Atomic Mass:** 140[[image:Cerium_antonio.png width="216" height="288" align="right"]][[image:Cerium.gif width="258" height="196" align="right"]]


 * Atomic Number:** 58


 * Protons:** 58


 * Electrons:** 58


 * Discovery:** Klaproth, Berzelius, and Hisinger discovered Cerium in 1803.


 * How It Was Named:** Was named after the asteroid Ceres.


 * State Of Matter:** Solid


 * Melting Point:** 798°C


 * Boiling Point:** 3443°C


 * Characteristics:** The color of Cerium is a silvery white. It will decompose in cold water, and even quicker in hot water. Cerium will also ignite if the pure metal is scratched with a sharp object.


 * Uses of Element:** Used to polish glass surfaces. It is also used in carbon arc lights,projector lights, and misch metal.


 * Interesting Facts:** Cerium is a rare earth metal. It makes up .0046% of the earth's crust.

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