Because of lanthanoid contraction, which of the following pairs of ele – InterviewSolution

1.	Because of lanthanoid contraction, which of the following pairs of elements have nearly same atomic radii? (Number in the parenthesis are atomic numbers)
Answer» Ti(22) and Zr(40) Zr (40) and Nb(41) Zr (40) and Hf (72) Zr (40) and Ta (73) Solution :Due to lanthanoid contraction ATOMIC RADII of Zr and Hf is almost similar

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