Lutetium


 * Element Name:** Lutetium


 * Element Symbol:** Lu


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


 * Atomic Number:** 71


 * Protons:** 71


 * Electrons:** 71


 * Discovery:** In 1907 Georges Urbain, Baron Cam Auer Von Welsbach and Charles James discovered Lutetium.


 * How Was It Named:** Its name was changed from neoytterbium to lutetium.


 * State of Matter:** solid


 * Melting Piont:** 1663°C


 * Boiling Point:** 3402°C


 * Characteristics:** silvery white, heaviest and hardest of the rare earth elaments.


 * Use of Element:** Can be used in catalysts, alkylation, hydrogenation and polumerization


 * Interesting Facts:** It's original name is neo ytterbium. Its is one of the hardest elements on earth.

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