Lutetium


 * Element Name:** Lutetium


 * Element Symbol:** LU
 * Atomic Mass:** 175


 * Protons:** 71
 * Electrons:** 71
 * Discovery:**
 * How It Was Named:** From an ancient name of a city in Paris, Lutetia
 * State Of Matter:**
 * Melting Point:** 1663 °C
 * Boiling point:** 3402 °C
 * Characteristics:**


 * Silvery white corrosion resistant metal
 * It has the smallest atomic radius
 * It is the heaviest and hardest of the rare earth elements
 * Uses:** Lutetium is used in neclear technology to determine the age of meteorites and also used in treatmeants for cancer
 * Interesting Facts:** Lutetium is the most expensive of all the rare elements. Also it is very hard to prepare, it can be prepared by the reduction of anhydrous by an alkali or alkaline earth metal.