Two sets of quantum numbers with the same number of radial nodes are :
1. n = 3, l = 0, ml = 0 and n = 2, l = 0, ml = 0
2. n = 3, l = 2, ml = 0 and n = 2, l = 1, ml = 0
3. n = 3, l = 1, ml = –1 and n = 2, l = 1, ml = 0
4. n = 3, l = 1, ml = 1 and n = 2, l = 1, ml = 0
The number of radial nodes for 3p orbital is :
1. 3
2. 4
3. 2
4. 1