The electron affinity of sulfur is .......... | vedclass

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(A) The electron affinity of $O$ is lower than that of $S$ due to the small size of $O$ atoms,which leads to strong inter-electronic repulsions when a

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greater than $O$ and $Se$

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(A) The electron affinity of $O$ is lower than that of $S$ due to the small size of $O$ atoms,which leads to strong inter-electronic repulsions when an electron is added. Moving down the group from $S$ to $Se$,the size increases and the electron affinity decreases. Therefore,the order of electron affinity is $S > Se > O$. Thus,the electron affinity of $S$ is greater than both $O$ and $Se$.

The electron affinity of sulfur is ...........

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