# What is the shorthand electron configuration for O?

[He] $2 {s}^{2} 2 {p}^{4}$

#### Explanation:

To write the shorthand electron configuration you just need to count down from the element to the next smallest noble gas. Use that as your starting point then write the electron configuration as you normally would.

Here are some examples...

If you need a review of writing full electron configurations...

Hope this helps!