Question

Which group has the most negative electron affinity?

Answer 1

Answer:

Although the number of protons decreases too, it will not have much effect. So we can conclude that the top member in the Halogens group will have the most negative electron affinity. That element is Florine .

Answer 2

Answer

So the rightmost group should contain the element with most negative electron affinity. We are talking about group 17 or the halogens.                                                                                                            

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