Question

the first series of rare-eath is called ??​

Answer 1

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✏ ANSWER✍

✨✨The first series of rare-earth is called Lanthanides.✨✨

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Answer 2

The elements cerium through lutetium are called the lanthanides.

The elements scandium and yttrium are also known as the “rare earths” because they were originally discovered together with the lanthanides in rare minerals and isolated as oxides, or “earths.” Collectively, these metals are also called rare earth elements (REEs).

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