# What is the electron configuration of potassium?

Nov 16, 2015

$1 {s}^{2} , 2 {s}^{2} , 2 {p}^{6} , 3 {s}^{2} , 3 {p}^{6} , 4 {s}^{1}$

Nov 16, 2015

2,8,8,1

#### Explanation:

If you want to represent the subshells you can also write it in this way:
$1 {s}^{2} 2 {s}^{2} 2 {p}^{6} 3 {s}^{2} 3 {p}^{6} 4 {s}^{1}$
or simply, [Ar]$4 {s}^{1}$