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Question
If the electronic configuration of oxygen atom is written as
it would violate :
If the electronic configuration of oxygen atom is written as
it would violate :
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Solution
The correct option is A Hund's rule
According to Hund's Rule, electrons are first singly filled in each orbital then pairing starts. But in the above case, electrons are paired in the 2p subshell in the first two orbitals and the third orbital is vacant. Hence, it violates Hund's Rule.
According to Hund's Rule, electrons are first singly filled in each orbital then pairing starts. But in the above case, electrons are paired in the 2p subshell in the first two orbitals and the third orbital is vacant. Hence, it violates Hund's Rule.
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