Question

The rare earth elements include

Answer 1

These elements include Lanthanum, from which rare earth metals get their collective name ofLanthanides toLutetium. For reasons of chemical similarity, an additional metal, Yttrium, is commonly found in rare earth metals deposits. Therefore, they are frequently referred to as Rare Earth Metals.

Answer 2

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the rare earth elements (RRE) are a set of seventeen metallic elements. THESE include the fifteen lanthanides on the periodic table plus scandium and yttrium.

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