Which set has the same number of unpaired electrons in their ground state?

Options

A. `Cl^(-) , Fe^(3+) , Cr^(3+)`
B. `Na^(+), Mg^(2+), Al`
C. `Na, P, Cl`
D. `N,P, V`

Answer

D

Explanation

N and P have 3 unpaired electrons in 2p and 3p respectively, V has 3 unpaired electrons in 3d .