Question

The properties of $Zr$ and $Hf$ are similar because

• A. both belong to d- block
• B. both belong to same group of Periodic Table
• C. both have similar radii
• D. both have same number of electrons

Answer 1

Answer: (C)

The properties of $Zr$ and $HF$ are similar because both have similar radii due to lanthanoid contraction.