Tell me the correct answer...no spam please. ...I think the answer is a)
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Tell me the correct answer...no spam please. ...I think the answer is a)
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Answer:
yes mate it has violated Aufbau's principle....
hope it helps you mate....
have a bright future ahead....
thanks....
Answer: i think ans is "c"
Explanation:
becaus it states that electrons are filled into atomic orbitals in the increasing order of orbital energy level.
so first 2s must be fullfilled