Question

No of all subshells of $(n+l)=7$ is:

• A. 4
• B. 5
• C. 6
• D. 7

Answer 1

Answer: (A)

4

$n+l=7$

7 + 0 $\Rightarrow$ 7s
6 + 1 $\Rightarrow$ 6p
5 + 2 $\Rightarrow$ 5d
4 + 3 $\Rightarrow$ 4f
Total 4 subshells have (n+l)=7

Hence, the correct option is $A$