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Which electron configuration exists for an atom in an excited state?
- A 1s2 2s2 2p6 3s1
- B 1s2 2s2 2p6 3s2
- C 1s2 2s2 2p6 3s2 3p1
- D 1s2 2s2 2p6 3s2 3p2
That's Correct!
It's Wrong!
The electron configuration '1s2 2s2 2p6 3s2 3p2' represents an atom in an excited state. An excited state occurs when an electron has absorbed energy and moved to a higher energy level or a higher energy orbital within the same level. In this case, the atom has one electron in the 3p orbital, which is higher in energy compared to the 3s orbitals.
