1. Yttrium

2. Yttrium Atomic Number: 39 Atomic Symbol: Y

3. History YYYYttrium was found in the Swedish village of Ytterby by Johann Gadolin in 1794. IIIIt was named after Ytterby.

4. Uses  Yttrium is not found in nature as a free element. But is found in almost all rare- earth mineral.  Yttrium is used to produce the red color in television pictures tubes.  It has potential uses in ceramics and glass.  Are used to filter microwaves.

5. Facts  Yttrium oxide is one of the most important compounds of yttrium.  Yttrium metal of 99.99% purity is commercially available at a cost of $75/oz.  Yttrium occurs in nearly all of the rare- earth minerals.  Yttrium has a silver-metallic luster and is relatively stable in air.

6. Electron Arrangement

7. Cited Sources  Husted, Robert. January 31,2007. Los Alamos National Laboratory. http://www.periodic.lanl.gov http://www.periodic.lanl.gov  Bentor, Yinon. Chemical Element.com - Yttrium. Jan. 31, 2007.  "Wikipedia." Wikipedia, The Free Encyclopedia. January 31, 2007,. Wikimedia Foundation, Inc..