Lutetium

==


 * Group Number:** 1


 * Period Number:** 2


 * Chemical Symbol:** Lu


 * State at Room Temperature:** Solid

**Atomic Details:**

 * ====//Particle//==== || ====//Number//==== ||
 * ====Protons==== || ** 71 ** ||
 * ====Neutrons==== || ** 104 ** ||
 * ====Electrons==== || ** 71 ** ||

**Melting Point (Solid to Liquid):**
1660 celsius

**Boiling Point (Liquid to Gas):**
3390 celcius

**Interesting Notes about Lutetium:**

 * 1.** Carl Auer von Welsbach and Georges Urbain discovered Lutetium in 1907-1908.

xenotime and euxenite.
 * 1) 2. It's an extremely rare element. It is found in other rare elements such as


 * 3**. Lutetium is very expensive


 * 4**. Lutetium is the hardest and the heaviest out of all of the lanthanum metals


 * 5**. It is being experimented with for nuclear medicine


 * 6.** The name, Lutetium, comes from the latin word Lutetia. Lutetia means France, thats why Georges Urbain named it that in honour of his home city.