Q. A reducing in atomic size with increase in atomic number is a characteristic of elements of
A) $f$-block
B) $d$-block
C) High atomic masses
D) Radioactive series
Explanation
(a)
A reduction in atomic size with increase in atomic number is a characteristics of elements of $f$-block. This is due to lanthanide contraction
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.