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The question asks "Which of the following subshells cannot exist in an atom: (a) 2d; (b) 4d; (c) 4g; (d) 6f?". I understand that a and c cannot exist but I am not sure about the explanation as to why b and d can exist.
I believe there is no such thing as an orbital g
6f would consist of the lanthanoids and 4d would be the row where yttrium starts and cadmium ends (when n = 5).
I’m confused as to why 4g can’t exist. Can someone explain this to me please?
I had the same question as to why 2d does not exist if 2s and 2p exist. Why does it stop at 2p and not continue?
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