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2. structure of atom — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry2. structure of atom1 Mark
MCQ
The set of quantum numbers not applicable for an electron in an atom is
  • ✓
    $n = 1,\,l = 1,\,{m_l} = 1,\,{m_s} = + 1/2$
  • B
    $n = 1,\,l = 0,\,{m_l} = 0,\,{m_s} = + 1/2$
  • C
    $n = 1,\,l = 0,\,{m_l} = 0,\,{m_s} = - 1/2$
  • D
    $n = 2,\,l = 0,\,{m_l} = 0,\,{m_s} = + 1/2$
✓

Answer

Correct option: A.
$n = 1,\,l = 1,\,{m_l} = 1,\,{m_s} = + 1/2$
a
(a) For $n = 1,\,l = 0.$

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