Maximum number of electrons in an orbital having n = 4 and l = 2 are :

Answer

10

Explanation

Maximum no. of electrons having n = 4 and l = 2 are 10 br> `l = 0 " to " n = -1`
For `n= 4 l =0,1,2,3`
Total electrons that can be accommodated in a subshell `=2(l+1)" "=2(5)=10`