1.

Correct set of four quantum numbers for valence electron of rubidium (Z = 37) is [IIT 1984; JIPMER 1999; UPSEAT  2003]

A.                 \[5,\,0,\,0,\,+\frac{1}{2}\]           
B.                 \[5,\,1,\,0,\,+\frac{1}{2}\]
C.                 \[5,\,1,\,1,\,+\frac{1}{2}\]           
D.                 \[6,\,0,\,0,\,+\,\frac{1}{2}\]
Answer» B.                 \[5,\,1,\,0,\,+\frac{1}{2}\]


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