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Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has |
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Answer» STABLE half filled 2p sub level Nitrogen has a half filled orbital. On the other HAND, since OXYGEN is already unstable RELATIVE to Nitrogen, by losing one electron it attains a stable half filled orbital. So oxygen undergoes IONISATION at a relatively lower energy. This is why nitrogen has a higher ionisation energy than oxygen. |
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