# How do you write the electron configuration for silicon?

Dec 25, 2016

See below (both shorthands are provided):

#### Explanation:

For an atom of elemental silicon:

$S i = \left[N e\right] 3 {s}^{2} 3 {p}^{2}$

Without the noble gas core:

$S i = 1 {s}^{2} 2 {s}^{2} 2 {p}^{6} 3 {s}^{2} 3 {p}^{2}$