Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test Chemistry Classification of Elements and Periodicity in Properties Periodic Table
The set of quantum numbers (n, l, m and s) that represent valency electron of sodium is:
1
3, 0, 0, \(+\frac{1}{2}\)
2
3, 2, 0, \(+\frac{1}{2}\)
3
3, 1, 1, \(−\frac{1}{2}\)
4
More than one of the above
5
None of the above