Identify the set of four quantum numbers that could represent the last electron added (using the aufbau principle)to form the Ne atom. A)n = 3,l = 1,m_l = 1,m_s = + $\frac{1}{2}$ B)n = 3,l = 0,m_l = 1,m_s = - $\frac{1}{2}$ C)n = 3,l = 2,m_l =1 ,m_s = + $\frac{1}{2}$ D)n = 2,l = 1,m_l = 1,m_s = - $\frac{1}{2}$ E)n = 3,l =2 ,m_l = 1,m_s = - $\frac{1}{2}$

Question

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Neon (Ne) has an electron configuration of 1s² 2s² 2p⁶. The last electron added fills the 2p orbital, which corresponds to n = 2, l = 1. The magnetic quantum number m_l can be -1, 0, or 1, and the spin quantum number m_s can be +1/2 or -1/2. Option D fits these criteria.

Identify the Set of Four Quantum Numbers That Could Represent 12\frac{1}{2}21​

Identify the Set of Four Quantum Numbers That Could Represent $\frac{1}{2}$