Which element marks the completion of the 5f subshell in the actinoid series? - d and f BLOCK ELEMENTS Quiz | GKFix.in

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Question

Which element marks the completion of the 5f subshell in the actinoid series?

A. Actinium (Ac)
B. Protactinium (Pa)
C. Uranium (U)
D. Lawrencium (Lr)

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