What is another word for erbium?
Pronunciation: [ˈɜːbi͡əm] (IPA) 
Erbium is a chemical element with the symbol Er and atomic number 68. It is a silvery-white metal belonging to the lanthanide series of the periodic table. It is commonly used in nuclear technology, especially in neutron-absorbing control rods. There are several synonyms for Erbium. These include Erbio in Spanish, Ytterbium-Erbium in German, and Erbio in Italian. The element is also known by its various isotopes, including Er-166, Er-167, Er-168, Er-169, and Er-170. Erbium has a melting point of 1522°C and a boiling point of 2868°C. It is a relatively rare element in the earth's crust, occurring at an abundance of 3.5 parts per million.
