Question

What is the shorthand electron configuration for Ni?

Answer 1

`Ni, Z =28`; `1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)4s^(2)3d^8`

We go back to the last Noble gas (`Ar, Z=18`) to get......

Explanation:

`Ni, Z =28`. `[Ar]4s^(2)3d^(8)`.