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What is the maximum number of electrons that can be associated with the following set of quantum numbers? n = 3, l = 1 and m = -1

1. 6
2. 4
3. 2
4. 10

Correct answer: 2

Solution

For n = 3 and l = 1, the subshell is 3p. The magnetic quantum number m = -1 corresponds to one specific orbital in the 3p subshell, which can hold a maximum of 2 electrons with opposite spins.

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