Which of the following elements has the greatest electron affinity a.) potassiumb.) arsenicc.) nitrogend.) bismuth

Out of these options, C.) Nitrogen would be your answer.

The rightmost highest (or lowest period level) element on the periodic table is the element with the greatest electron affinity level. Even though nitrogen is in the same group as bismuth and arsenic, it is higher up (and smaller) than the others, therefore, it has a greater electron affinity level.

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Answer: temperature? i hope this and have a wonderful