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The following quantum numbers are possible for how many orbital (s) n = 3, l = 2, m = +2?

1. 1
2. 3
3. 2
4. 4

Correct answer: 1

Solution

The quantum number n = 3 indicates the third energy level, l = 2 corresponds to the d-subshell, and m = +2 specifies one particular orientation of the d-orbital. Since m = +2 represents a single orbital, there is only 1 orbital possible for these quantum numbers.

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