electrons

Hey all, Quick question regarding the effective nuclear charge. Can't the equation for its calculation be simplified as "the number of valence electrons"? it seems that in all the examples I've seen, the effective nuclear charge is the same as the number of valence electrons. Am I just jumping...

Hey Everyone! This may seem like a very basic chemistry topic, but I am pretty confused about it. The question asks for the best electron acceptor. I thought it would be Fe because it has a positive charge and will want an electron. But, the answer is S, because it is in the same column as O...