Why Does the Zeeman Effect Vary in Cadmium and Other Elements?

[prowler_sn]

HI
I don't understand why cadium or other elements have different zeeman effect because of their electron configiration
thanks

 

[cragar]

I think because their wave function would be different in the presence of more electrons.
And you could think of it as the electrons pushing on each other and they have so much wiggle room.