Which of the following has the least electron | vedclass

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(C) The electron affinity values for the elements in the second period are influenced by their electronic configurations. Nitrogen $(N)$ has the elect

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Nitrogen

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(C) The electron affinity values for the elements in the second period are influenced by their electronic configurations. Nitrogen $(N)$ has the electronic configuration $1s^2 2s^2 2p^3$. Due to the stable half-filled $2p$ subshell,it is energetically unfavorable to add an electron to the nitrogen atom. Therefore,nitrogen has the least electron affinity among the given options.

Which of the following has the least electron affinity in $kJ\,mol^{-1}$?

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