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Question: Answered & Verified by Expert
According to the Pauli exclusion principle, what is the maximum number of electrons that can exist in an orbital, and what condition must they satisfy?
ChemistryStructure of AtomNEET
Options:
  • A Two electrons can exist in an orbital, and they must have the same spin.
  • B Two electrons can exist in an orbital, and they must have opposite spin.
  • C Four electrons can exist in an orbital, and they must have the same spin.
  • D Four electrons can exist in an orbital, and they must have opposite spin.
Solution:
1945 Upvotes Verified Answer
The correct answer is: Two electrons can exist in an orbital, and they must have opposite spin.
"Only two electrons may exist in the same orbital and these electrons must have opposite spin."

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