CBSE Class 11-science Answered
why size of nitrogen decreases and size oxygen increases and finally size of fluorine decreases ?
Asked by sharv pushan | 22 Aug, 2011, 12:00: AM
Expert Answer
Nitrogen has half filled configuration as it's 2p orbital is half filled, which is a stable configuration. So, the size of nitrogen decreases. In the case of Oxygen, this stability is lost and the atomic radius increases due to greater electron-electron repulsion. Rather its the inter-electron repulsion between the paired electrons in Oxygen that causes the increase in the atomic radii.
Answered by | 23 Aug, 2011, 04:18: PM
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