One reason spectroscopists study excited states is to gain information about the energies of orbitals that are unoccupied in an

Question

One reason spectroscopists study excited states is to gain information about the energies of orbitals that are unoccupied in an atom's ground state. The following electron configuration represents an atom in an excited state.
Identify the element and enter its condensed ground-state configuration:
1s²2s²2p53s¹
Element symbol:
Condensed ground-state configuration:
(Remember to use "square" brackets, and do not forget to superscript only the electron values.)

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