Problem: A certain oxygen atom has the electron configuration 1s22s22px22py2. How many unpaired electrons are present? Is this an excited state of oxygen? In going from this state to the ground state, would energy be released or absorbed?

FREE Expert Solution

When writing electron configuration, we distribute electrons on each orbital:

 1 orbital  max. of 2 e- 

 3 orbitals  max. of 2 e- per orbital (total of 6 e-)


Writing the orbital diagram of the oxygen atom with electron configuration of 1s22s22px22py2:

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A certain oxygen atom has the electron configuration 1s22s22px22py2. How many unpaired electrons are present? Is this an excited state of oxygen? In going from this state to the ground state, would energy be released or absorbed?

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Our data indicates that this problem or a close variation was asked in Chemistry: An Atoms First Approach - Zumdahl Atoms 1st 2nd Edition. You can also practice Chemistry: An Atoms First Approach - Zumdahl Atoms 1st 2nd Edition practice problems.