# What is the maximum number of electrons in each ofthe following energy levels: first, second, third?

May 29, 2018

See below.

#### Explanation:

The maximum number of electrons in each of the following energy levels are:

• 1st: $\setminus 2$
• 2nd: $\setminus 8$ ($2$ in $s$ and $6$ in $p$ orbitals)
• 3rd: $\setminus 18$ ($2$ in $s$, $6$ in $p$, $10$ in d orbitals)