Which of the following statements is not correct for an electron that has the quantum numbers $n = 4$ and $m_l = 2$?

  • A
    The electron may have the quantum number $s = +1/2$.
  • B
    The electron may have the quantum number $l = 2$.
  • C
    The electron may have the quantum number $l = 3$.
  • D
    The electron may have the quantum number $l = 0, 1, 2, \text{ or } 3$.

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