Q. The lanthanoids contraction relates to
A) Atomic radii
B) Atomic as well as $M^{3 +}$ radii
C) Valence electrons
D) Oxidation states
Explanation
(b)
Lanthanide contraction relates to decrease in atomic as well as ionic size of $M^{3 +}$ ions
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.