A certain oxygen atom has the electron configuration1s 2 2s 2 2p x 2 2p y 2 How

Question

A certain oxygen atom has the electron configuration1s2 2s2 2px22py2    How many unpaired electrons are present? Is this an excited state for oxygen? In going from thisstate to the ground state, would energy be released orabsorbed? A certain oxygen atom has the electron configuration1s2 2s2 2px22py2    How many unpaired electrons are present? Is this an excited state for oxygen? In going from thisstate to the ground state, would energy be released orabsorbed? How many unpaired electrons are present? Is this an excited state for oxygen? In going from thisstate to the ground state, would energy be released orabsorbed?

Explanation / Answer

=> that should be 4 electrons in 2p now accordong to MOT in O the 2Pz comes at lower energylevel. And 2px and 2Py are at higher energy level , so this configuration is indicating excited stage of O. There are no unpaired electrons. Energy will be released in going from this state to groundstate.

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