Q. 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
Explanation
(c)
Zr and Hf have similar radii, therefore they show similar properties
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.