MCQ
Pauli exclusion principle states that :
  • A
    No two electrons in an atom can have the same set of four quantum numbers.
  • B
    Only two electrons may exist in the same orbital and these electrons must have opposite spin.
  • Both $(a)$ and $(b)$.
  • D
    None of the above.

Answer

Correct option: C.
Both $(a)$ and $(b)$.

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