Question
Actinoid contraction is greater from element to element than lanthanoid contraction. Why?

Answer

This is due to poor shielding by $5f-$electrons in the actinoids than that by $4f e^{-1}s$ in lanthanoids.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free