Question

Which of the quantum number is /are not
allowed?
1. n=3, 1=2, m=0, s=+1/2
2. n=2, 1=2, m=-1, s=-1/2
3. n=3, 1=0, m=0, s=+1/2
4. n=5, 1=2, m=-1, s=-1/2​

Answer 1

Answer:

2nd because value of l greater than 1 and d Subshell not present in 2nd orbit