Which of the following sets of quantum numbers is not possible?

  • A
    $n=3, l=2, m_l=1, m_s=+1/2$
  • B
    $n=3, l=2, m_l=1, m_s=-1/2$
  • C
    $n=3, l=2, m_l=1, m_s=0$
  • D
    $n=5, l=2, m_l=1, m_s=+1/2$

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