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Although Zirconium belongs to the 4d transition

Question:

Although Zirconium belongs to the 4d transition series and Hafnium to 5d

transition series even then they show similar physical and chemical properties

because___________.

(i) both belong to d-block.

(ii) both have the same number of electrons.

(iii) both have a similar atomic radius.

(iv) both belong to the same group of the periodic table

Solution:

Option (iii) both have a similar atomic radius is the answer

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