Terbium

=Terbium = **By: Josie**


 * Atomic Number:

Protons: 65**


 * Electrons: 65**


 * Neutrons:** 94


 * Average Atomic Mass:158.92535 (2)**


 * Isotopes:** There is only one stable isotope known to Terbium, 159 Tb.


 * Discovery:** This element was discovered in 1843, in Ytterby, Sweden. Terbium was discovered by Carl Mosander.
 * Name:** Terbium was named after yittria which means three parts and terbia which means pink.


 * Uses: Sodium terbium borate is used in solid state devices. Terbium can be used with ZrO2 as a crystal stabilizer of fuel cells.**


 * Interesting Facts**:Teribum is reasonably stable in air, it is a silvery grey metal that is soft enough to be cut with a knife. It is also a rare earth metal only found in cerite, gadolinie and monazite.

media type="youtube" key="2Nwr9E2BBTo" height="344" width="425"
 * Video:**
 * Sources**
 * Video: **http://www.youtube.com/watch?v=2Nwr9E2BBTo**
 * **Sources: http://en.wikipedia.org/wiki/Terbium http://www.webelements.com/terbium/ http://education.jlab.org/itselemental/ele065.html http://www.youtube.com/watch?v=2Nwr9E2BBTo**