Question

what are rare earth elelents​

Answer 1

Explanation:

A rare-earth element or rare-earth metal, as defined by the International Union of Pure and Applied Chemistry, is one of a set of seventeen chemical elements in the periodic table, specifically the fifteen lanthanides, as well as scandium and yttrium.

Answer 2

A rare-earth element (REE) or rare-earth metal ( REM), as defined by the International Union of Pure and Applied Chemistry, is one of a set of ...