The number of values the spin magnetic quantum number m_s of an atomic electron can have is A) 1. B) 2. C) always equal to n, the principal quantum number. D) always equal to 2n.

Question

Quizplus · Accepted Answer

The spin magnetic quantum number mS can have only two values: +1/2 and -1/2. This is true for all electrons, regardless of the principal quantum number n. Therefore, the answer is B.

The Number of Values the Spin Magnetic Quantum Number Ms

The Number of Values the Spin Magnetic Quantum Number M_s