MHT CET 2025 Chemistry question

Which actinoid from following in its +3 state has largest size?

(A)UCorrect
(B)Bk
(C)Es
(D)Md

Answer: (A)

Solution

In the actinoid series there is a gradual decrease in the size of the ions with increasing atomic number, called the actinoid contraction, because the 5f electrons shield the nuclear charge poorly. The order of atomic

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Question ID VK-103269