Question

if n=3 , l=0 , m=0 , s=+1/2 . Then the atomic number is?​

Answer 1

Answer:

atomic no.=11

Explanation:

n represents the orbit no. i.e. 3 which means the 1st and the 2nd shell is filled thus no. of electrons is 2+8=10 and l represents s subshell and value of s which is +1/2 repsents 1 electron

as there is no other information given so the element is in it's ground state and in ground state no. of electrons = atomic no.

thus,

no.of electrons =10+1=11

and atomic no. 11 is of Sodium