Which is a correct set of values of m for one of the subshells of n = 2?

For n = 2, the allowed subshells have angular momentum quantum number l = 0 or l = 1. The magnetic quantum number m ranges from −l to +l in whole-number steps, so the l = 1 subshell has m values −1, 0, and 1. Therefore, the correct set is “−1, 0, 1.”

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