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Chemistry 15 Online
OpenStudy (anonymous):

2) Explain why the quantum number set (2, 1, -2, -½) is not possible for an electron in an atom

OpenStudy (anonymous):

the third quantum number, m=-2 is not possible for this set, the possible values for m range from -1 to +1, so when l=1, the possible values for m are -1, 0, and +1.

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