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1 vote
Which of the following could be a correct electron configuration of an atom in its

ground state?
atom A: 1s22s¹2p²
atom B: 1s²2s²2p53s²
atom C: 1s²2s22p63s¹
atom D: 1s22s²3s¹

asked
User FadelMS
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1 Answer

6 votes
C: The s orbitals hold 2 electrons and the p orbital holds 6 electrons. In 1s, 2s, and 2p, the orbital is full. And for 3s there is only one electron left, so it is considered in the ground state.
answered
User Aren Hovsepyan
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