ERBIUM
Erbium
Erbium is a chemical element in the lanthanide series, with the symbol Er and atomic number 68. A silvery-white solid metal when artificially isolated, natural erbium is always found in chemical combination with other elements on Earth. As such, it is a rare earth element which is associated with several other rare elements in the mineral gadolinite from Ytterby in Sweden.The above text is a snippet from Wikipedia: Erbium
and as such is available under the Creative Commons Attribution/Share-Alike License.
erbium
Noun
- a metallic chemical element (symbol Er) with an atomic number of 68.
The above text is a snippet from Wiktionary: erbium
and as such is available under the Creative Commons Attribution/Share-Alike License.