Identify the Set of Four Quantum Numbers That Represent the Last

Multiple Choice

Identify the set of four quantum numbers that represent the last electron added (using the aufbau principle) to the Zn atom.

A) n = 4,l = 3,m_l = 3,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 = 3,m_l = 2,m_s = - $\frac{1}{2}$
E) n = 4,l = 2,m_l = 0,m_s = + $\frac{1}{2}$