MHT CET 2025 Chemistry question

Which from following elements belongs to inner transition elements?

(A)CmCorrect
(B)W
(C)Mo
(D)Ru

Answer: (A)

Solution

Inner transition elements are the f-block elements: the lanthanoids (4f filling) and the actinoids (5f filling). Curium (Cm, ) is an actinoid with configuration , so it is an

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Question ID VK-103298