This question is based on plus one chemistry.please send answer.
Answers
Explanation:
Why does oxygen have a lower ionization energy than nitrogen and flourine?
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Oxygen has outer electronic configuration:
2s2 2p4
removal of ine electron from the 2p subshell will make its configuration
2s2 2p3
thus it attains a half filled configuration
thus lesser energy is required to remove an elecron from oxygen
whereas in Nitrogen
the electronic configuration is
2s2 2p3
it has a stable half filled configuration
and thus more energy is required to remove an electron from nitrogen
in case of Flourine
the electronic configuration is
2s2 2p5
it has to gain one more electron to attain noble gas configuration and become stable
thus more energy is required to remove an electron from flourine
thus ionisation enthalpy of oxygen is lesser than nitrogen or flourine