Lutetium


 * Element Name:** Lutetium


 * Element Symbol:** Lu


 * Atomic Mass:** 175[[image:Lutetium_mikaela.png width="216" height="288" align="right"]][[image:Lutetium.gif width="288" height="216" align="right"]]


 * Atomic Number:** 71


 * Protons:** 71


 * Electrons:** 71


 * Discovery:** In 1907, by George Urbain


 * How It Was Named:** From an ancient name for the city of Paris


 * State of Matter:** Solid


 * Melting Point:** 1663°c


 * Boiling Point:** 3402°c


 * Characteristics:** Has a catalyst in various chemical reactions, silver white, Metal


 * Use of Element:** In nuclear technology to determine the age of meteorites, refining petroleum


 * Interesting Facts:** Classification, "rare earth", expensive

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