v20_global_newFlow

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

Electronic configuration of `Rb_((37))` is
`1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)3d^(10)4s^(2)4p^(6)5s^(1)`
So for the valence shell electron `(5s^(1))`
`n=5,l=0,m=0,s=+1/2`.