(આપેલ પરમાણુ ક્રમાંક $: V, 23; Cr, 24, Fe, 26 Ni, 28)$
$V ^{3+}, Cr ^{3+}, Fe ^{2+}, Ni ^{3+}$
$n$ | |
$V ^{3+}:[ Ar ] 3 d ^2 4 s ^0$ | $2$ |
$Cr ^{3+}:[ Ar ] 3 d ^3 4 s ^0$ | $3$ |
$Fe ^{2+}:[ Ar ] 3 d ^6 4 s ^0$ | $4$ |
$Ni ^{3+}:[ Ar ] 3 d ^7 4 s ^0$ | $5$ |
$Cr ^{3+}$ and $Ni ^{3+}$ have same value of $\mu_{ s }$
(આપેલ : $h =6.63 \times 10^{-34} \,Js$ અને $c =3.08 \times 10^{8} \,ms ^{-1}$ )