General Science • ChemistryMedium
Which quantum number describes the spatial orientation of an atomic orbital with respect to a standard coordinate system?
A. Principal quantum number
B. Azimuthal quantum number
C. Magnetic quantum number✓ Correct Answer
D. Spin quantum number
💡 Solution & Explanation
The magnetic quantum number specifies the spatial orientation of an atomic orbital within a standard coordinate system when subjected to an external magnetic field. The principal quantum number determines energy level and size, whereas the azimuthal quantum number defines the three-dimensional shape of the orbital. Each allowed value of this quantum number corresponds to a specific degenerate orbital orientation in space.
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