Identify the impossible quantum number set for an electron from the following:

  • A
    $n=2, l=0, m=0, s=-\frac{1}{2}$
  • B
    $n=2, l=1, m=0, s=\frac{1}{2}$
  • C
    $n=3, l=3, m=1, s=\frac{1}{2}$
  • D
    $n=4, l=2, m=1, s=\frac{1}{2}$

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