# Question #df51f

##### 1 Answer

Oct 2, 2016

Each sub level has the next odd number of orbitals

#### Explanation:

The s has only 1 possible orbital

The p has three possible orbitals

The d has five possible orbitals

The f has seven possible orbitals

1 : 3 : 5 : 7

The orbitals are increasing odd numbers, easy to remember.