The rare earth elements are 17 proper elements, consisting of scandium, yttrium and the fifteen lanthanoids.
All of the elements in the lanthanide and actinide series are considered "rare earth" elements
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alkaline earth metalsANSWERThe rare earth elements are scandium, yttrium and the 15 elements in the lanthanide group.
only small amounts exists
metal is it family and rare earth element is used if you do not know the family property
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Yes! Out of the current 118 known elements 92 of them are natural occurring, and 26 are man made. Only 90 of the 92 natural elements are found on Earth. The other 2 natural elements are found in space.