# physics

Consider this set of quantum numbers: n = 3, l = 2, ml = -1, ms = +½
The maximum number of electrons in an atom which can share the above set of quantum numbers is

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1. The quantum state is fixed when specifying n, l, ml and ms. Therefore, by the Pauli exclusion principle, there can be only one electron with these quantum nembers.

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2. 20

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