If any of you are good at chemistry, help me out! please! 
I fail at this subject
What are the n and quantum numbers for the electrons with the highest energy in each of the following atoms. Express your answers as n,, i.e., separate your values of n and with a comma.
Ca
Zn
Cl
Sn
I fail at this subjectWhat are the n and quantum numbers for the electrons with the highest energy in each of the following atoms. Express your answers as n,, i.e., separate your values of n and with a comma.
Ca
Zn
Cl
Sn
