For each value of the principal quantum number n,what are the possible values of the electron spin quantum number m_s? (There may be more than one correct choice.) A) 0 B) +1/2 C) -1/2 D) +3/2 E) -3/2

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According to the Pauli exclusion principle, each electron in an atom must have a unique set of quantum numbers, including the spin quantum number (mS). The possible values of mS are +1/2 and -1/2. The principal quantum number (n) determines the energy level of the electron, but not its spin. Therefore, for any value of n, the possible values of mS are always +1/2 and -1/2, which are choices B and C. Choices A, D, and E are incorrect because they include values of mS that are not possible.

For Each Value of the Principal Quantum Number N,what Are