Q. Zinc does not show variable valency like $d$-block elements because
A) It is low melting
B) $d$-orbital is complete
C) It is a soft metal
D) Two electrons are present in the outermost orbit
Explanation
The correct answer is Option B: $d$-orbital is complete.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.