Quantum numbers, an electron will have the highest energy, Chemistry

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For which of the following sets of four quantum numbers, an electron will have the highest energy:

            n            l             m            s                                               

(a)        3           2             1            +1/2

(b)        4           2             1            +1/2

(c)        4           1              0            -1/2

(d)        5           0              0            -1/2

Ans:     4           2             1            +1/2

 


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