Question

The possible correct set of four quantum numbers for the valence electron of sodium atom (Z = 11) is
O 3, 2, 1,-
2
0 3, 1, 0, + 1 /
O 3+
3,0,0,+
2
1
4,0,0,+​

Answer 1

Answer:

E.C of Rubidium is (Z=37) = 1s  

2

2s  

2

2p  

6

3s  

2

3p  

6

4s  

2

3d  

10

4p  

6

5s  

1

 

 

The valence electron is in 5s orbital.

Its 4 quantum numbers are- n=5,l=0,m=0,s=+  

2

1

​  

 

Therefore, the correct option is C

Explanation: