Обложка книги Rare earth element

Rare earth element

ISBN: 978-5-5121-7551-4;
Издательство: Книга по требованию
Страниц: 72

As defined by IUPAC, rare earth elements or rare earth metals are a set of seventeen chemical elements in the periodic table, specifically the fifteen lanthanides plus scandium and yttrium. Scandium and yttrium are considered rare earth elements since they tend to occur in the same ore deposits as the lanthanides and exhibit similar chemical properties.

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