Question

which quantum number is not possible
1. N=5,L=2,M= -1,S= +1/2
2.N=5,L=2,M= -2,S= +1/2
3.N=5,L=1,M=2,S=1/2
4.N=5,L=1,M=1,S= -1/2​

Answer 1

Explanation:

3. n = 5, l = 1, m = 2, s = 1

Value of l is from 0 to (n-1)

Value of m is from -l to +l