Question

How many electrons in a cesium atom can have the quantum numbers of n = 3 and ml = -1

Answer 1

2

Answer 2

why

Answer 3

n=3 have 3 l values are possible 0 1 and 2
for L=0 no ml value =-1
for L= 1only one ml value =-1
L=2 only one Ml value -1