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प्रश्न
The electron affinity of oxygen is ______ than that of S.
रिक्त स्थान भरें
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उत्तर
The electron affinity of oxygen is less than that of S.
Explanation:
Although oxygen is above sulphur in Group 16, its smaller atomic size leads to greater electron-electron repulsion in the compact 2p orbital. This makes the electron affinity of oxygen less than that of sulphur, which has a larger size and a more diffused 3p orbital.
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