Give reasons : (i) Actinoids show variable oxidation states. (ii) Zr – InterviewSolution

1.	Give reasons : (i) Actinoids show variable oxidation states. (ii) Zr and Hf have almost identical radii.
Answer» Solution :(i) Due to COMPARABLE energies to 5F, 6d and 7S levels. (ii) It is due to LANTHANOID CONTRACTION.

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