-->

Structure Of Atom

Question
CBSEENCH11005327

How many sub-shells are associated with n = 4?

Solution
For a given value of n, l can have values from 0 to (n-1).
When n =4, then l = 0, 1, 2 3. It means that n = 4 has 4 subshells namely 4s, 4p, 4d and 4f.