Rare Earth Elements Free. The rare earth elements project features distillations articles, podcasts, and videos; The rare earth elements and strategic metals and all of their critical uses.
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Rare earth elements are a set of seventeen chemical elements in the periodic table, specifically the fifteen lanthanides plus scandium and yttrium. The rare earth elements are scandium and yttrium and all the lanthanides except promethium. Number of 4 f electrons and ionic radii for the r 3+ ion. Though, they are chemically alike, each having distinct and striking magnetic.
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