YTTRIUM

Yttrium

Yttrium is a chemical element with symbol Y and atomic number 39. It is a silvery-metallic transition metal chemically similar to the lanthanides and it has often been classified as a "rare earth element". Yttrium is almost always found combined with the lanthanides in rare earth minerals and is never found in nature as a free element. Its only stable isotope, 89Y, is also its only naturally occurring isotope.

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yttrium

Noun

  1. A metallic chemical element (symbol Y) with an atomic number of 39.


The above text is a snippet from Wiktionary: yttrium
and as such is available under the Creative Commons Attribution/Share-Alike License.

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