Medium
The set of quantum numbers not applicable for an electron in an atom is
- A$n = 1, l = 1, m_l = 1, m_s = +1/2$
- 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$n = 2, l = 0, m_l = 0, m_s = +1/2$
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