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

Options

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

Answer

A

Explanation

`5s^1`