1.

The name ‘rare earth elements’ is used for ………….. (A) lanthanides only (B) actinides only (C) both lanthanides and actinides (D) alkaline earth metals

Answer»

Correct option is: (C) both lanthanides and actinides

f-block elements (both Lanthanides and actinides) are also called rare earth elements.

(C) both lanthanides and actinides



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