Teaching NVS PGT 2024 Test Series General Science Chemistry Classification of Elements and Periodicity in Properties
All the four quantum numbers of last electron of sodium atom are
1
n = 3, l = 0, m = 0, S = \(+\frac{1}{2}\)
2
n = 3, l = 1, m = +1, s = \(+\frac{1}{2}\)
3
n = 3, l = 2, m = +1, s = \(+\frac{1}{2}\)
4
n = 2, l = 0, m = 0, s = \(+\frac{1}{2}\)