Erbium

=Erbium=


 * Atomic Number:** 68


 * Protons:** 68


 * Electrons:** 68


 * Neutrons:** 99


 * Average Atomic Mass:** 167.259


 * Isotopes:** Er-160, Er-161,Er-162,Er-163,Er-164,Er-165,Er-166,Er-167,Er-168,Er-169,Er-170,Er-171,Er-172


 * Discovery:** In 1842 Gustav Mosander separated "yttria", found in the mineral gadolinite.


 * Name:** Erbium was named after a name. Erbium was often confused with the name Terbia, a man's name. Gustav Mosander was the man who thought of the name of this element.


 * Uses:**


 * Nuclear industry
 * Metallurgical uses. When added to Vanadium, for example, Erbium lowers hardness and improves workability
 * Erbium oxide is pink and is a colourant in glasses and porcelain enamel glazes
 * Photographic filter


 * Interesting Facts**: The color of this element is silver and white. Another thing is that this is a solid, its metal.

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 * Video:**

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 * Sources**
 * Photo: [|Blushing Pink Glass Earrings by JCBonbon on Flickr]
 * Video:[| Erbium on the periodic table of youtube videos]
 * [|Discovery of Erbium]