Question: The correct order of atomic radii is :
$\mathrm{N}>\mathrm{Ce}>\mathrm{Eu}>\mathrm{Ho}$
$\mathrm{Ho}>\mathrm{N}>\mathrm{Eu}>\mathrm{Ce}$
$\mathrm{Ce}>\mathrm{Eu}>\mathrm{Ho}>\mathrm{N}$
$\mathrm{Eu}>\mathrm{Ce}>\mathrm{Ho}>\mathrm{N}$
Correct Option: , 4
Solution:
Atomic radii follows the order
