Lutetium

 =Lutetium=


 * Atomic Number:** 71


 * Protons:** 71


 * Electrons:** 71 


 * Neutrons:** 104


 * Average Atomic Mass:** 174.967 amu


 * Isotopes:** Lutetium-69 Lutetium-70 Lutetium-71 Lutetium-72 Lutetium-73 Lutetium-74 Lutetium-175 Lutetium-176 Lutetium-177


 * Discovery:** Lutetium was discovered by Georges Urbain and Carl Auer von Welsbach at 1907 in France andGermany. 


 * Name:** The word Lutetium comes from Greek, meaning Paris


 * Uses:** Lutetium is used for alloys


 * Interesting Facts**:

media type="youtube" key="a5T1xXoR8XI" height="344" width="425"
 * Video:**


 * Sources**
 * [|Lutetium on WebElements]
 * [|History of Lutetium on WebElements]
 * [|Isotopes of Lutetium>]
 * [|Photo: Paris Skyline Effiel Tower by Taylor Miles]
 * Video: [|Lutetium from the Periodic Table of Videos on Youtube.]