# What is the correct electron configuration for Ni?

Nov 18, 2017

Well, for nickel, $Z = 28. \ldots \ldots$

#### Explanation:

And no jiggery pokery interferes with the normal $\text{aufbau}$ assignment....(mind you I read recently there is some dispute...and that it is a bit like copper)...

$1 {s}^{2} 2 {s}^{2} 2 {p}^{6} 3 {s}^{2} 3 {p}^{6} 4 {s}^{2} 3 {d}^{8}$...

And of course for $N {i}^{2 +}$ we gots....

$1 {s}^{2} 2 {s}^{2} 2 {p}^{6} 3 {s}^{2} 3 {p}^{6} 3 {d}^{8}$...