Question

The four quantum number of valence electron of potassium are

Answer 1

Hey MATE!!!

Atomic number of K = 19

Electronic configuration :

[Ar]18 3s1

It is in 3rd row and last electron is in s orbital hence :

n = 3

l = 2

m = -2,-1,0,1,2

s = ±1/2

Hope it helps

HAKUNA MATATA :))