Question

The electron affinity of oxygen and flurione are lesser than that of sulphur and chlorine respectively??

Answer 1

yes it is true that electron affinity of flourine is lesser than that of chlorine. this is bcoz the size of flourine atom is very small as compared to chlorine atom and due to its small size there are strong inner repulsions among valence electrons and so the outer electron doesnot feel the attraction from the nucleous

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Answer 2

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The size of fluorine item is smaller than chlorine atom and due to small size their is strong inner among valance electron so that the electron does not feel attraction from the neuclous.
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