What is the electron configuration of iron (ii) ion?

Aug 20, 2016

Of $F {e}^{2 +}$......?

Explanation:

For $\text{iron, } Z = 26$. For $F {e}^{2 +}$ we must thus accommodate $26$ electons:

$F e : \left[A r\right] 4 {s}^{2} 3 {d}^{6}$

$F {e}^{2 +} : \left[A r\right] 3 {d}^{6}$

What about $F {e}^{3 +}$?