Question

What are the sublevels in an energy level of n=3?

Answer 1

s, p, d

Explanation:

the number of sublevels for an energy level is as follows:

for n = 1 : s

for n = 2 : s, p.

for n = 3 : s, p, d.

for n = 4 or higher : s, p, d, f.