Question

The four quantum number values of the 21st electron of Scandium ( Sc) are given in the following table.

| n | l | ml | ms |
| 3 | 2 | -2 | +1/2 |

Write the values of the four quantum numbers for the 20th eletron of Scandium ( Sc) in the form of the table.

Answer 1

The four quantum number values of the 20th electron of Scandium are given in the following table.

| n | l | ml | ms |
| 4 | 0 | 0 | -1/2 |