Because of lanthanoide contraction, which of the following pairs of el – InterviewSolution

1.	Because of lanthanoide contraction, which of the following pairs of elements have nearly same atomic radii ? (Numbers 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) ANSWER :C

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