A first row transition metal in its +2 oxidat | vedclass

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Question

${ }_{22} \mathrm{Ti}^{+2} \Rightarrow[\mathrm{Ar}] 3 \mathrm{~d}^2$

${ }_{23} \mathrm{~V}^{-2} \Rightarrow[\mathrm{Ar}] 3 \mathrm{~d}^3$

${ }_{25}

Vedclass · Accepted Answer

$23$

Vedclass · Answer

${ }_{22} \mathrm{Ti}^{+2} \Rightarrow[\mathrm{Ar}] 3 \mathrm{~d}^2$

${ }_{23} \mathrm{~V}^{-2} \Rightarrow[\mathrm{Ar}] 3 \mathrm{~d}^3$

${ }_{25} \mathrm{Mn}^{+2} \Rightarrow[\mathrm{Ar}] 3 \mathrm{~d}^5$

${ }_{26} \mathrm{Fe}^{+2} \Rightarrow[\mathrm{Ar}] 3 \mathrm{~d}^0$

A first row transition metal in its $+2$ oxidation state has a spin-only magnetic moment value of $3.86 \mathrm{BM}$ The atomic number of the metal is