Explanation:

In order to figure out the number of orbitals use the formula n^{2} = number of the orbitals , so if n = 4

n^{2} = 4^{2} = 16

so there are 16 possible orbitals as follows

4s , 4px,4py,4pz, 4d,4d,4d,4d,4d,4f,4f,4f,4f,4f,4f,4f

Answer:

16

Topic: