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The Spin Quantum Number Ms Describes the Quantum State of an Electron

Question 44

Multiple Choice

The spin quantum number ms describes the quantum state of an electron in an orbital with respect to its angular momentum.  According to the Pauli exclusion principle, what are the values of ms for each of the electrons in the 4s orbital of a calcium atom?


A) +½ and +½
B) +½ and −½
C) −½ and −½
D) +½, −½, and +½

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