Which of the following sets of quantum numbers (n, l, ml_, m_s) is not permissible? A) 2 2 1 + $\frac { 1 } { 2 }$ B) 3 1 0 - $\frac { 1 } { 2 }$ C) 1 0 0 + $\frac { 1 } { 2 }$ D) 2 1 0 + $\frac { 1 } { 2 }$ E) 4 0 0 - $\frac { 1 } { 2 }$

Question

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The azimuthal quantum number $ l $ must be less than the principal quantum number $ n $. In choice A, $ l = 2 $ is not permissible for $ n = 2 $.

Which of the Following Sets of Quantum Numbers (N, L 12\frac { 1 } { 2 }21​

Which of the Following Sets of Quantum Numbers (N, L $\frac { 1 } { 2 }$