Correct set of four quantum numbers for the valence (outermost) electron of rubidium `(Z = 37)` is

Options

A. `5,1,1,+(1)/(2)`
B. `6,0,0,+(1)/(2)`
C. `5,0,0,+(1)/(2)`
D. `5,1,0,+(1)/(2)`

Answer

C

Explanation

Valence electron of rubidium is `5s^(1)`.