Question
An electron is placed in 4f orbital. What possible values for the quantum numbers, n, l, m and s can it have?
Solution
For 4f orbital, n = 4, l = 3
When l=3, m = -3, -2. -1, 0 + 1, +2, +3. (seven values)
For each value of m, there are two possible values for s i.e. + 1/2 and - 1/2 .
