The possible quantum number for $3d$ electron are

  • A

    $n = 3,\,l = 1,\,{m_l} = + 1,\,{m_s} = - \frac{1}{2}$

  • B

    $n = 3,\,l = 2,\,{m_l} = + 2,\,{m_s} = - \frac{1}{2}$

  • C

    $n = 3,\,l = 1,\,{m_l} = - 1,\,{m_s} = + \frac{1}{2}$

  • D

    $n = 3,\,l = 0,\,{m_l} = + 1,\,{m_s} = - \frac{1}{2}$

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