Home Chemistry Structure of Atom Quantum Mechanical Model of Atom The quantum number " m " of a free gaseous a…
Chemistry Structure of Atom Quantum Mechanical Model of Atom Single Correct MCQ
Published on: August 13, 2026

The quantum number " m " of a free gaseous atom is associated with;

A
Effect volume of orbital
B
Shape of orbital
C
Spatial orientation of orbital
D
Energy of orbital in the absence of magnetic field

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The correct answer is:
C

Azimuthal quantum number determines shape of the of orbital, magnetic quantum number, is associated with spatial orientation of the orbital. Principal quantum number (n) determines energy of the electron & size (volume) of the atom.

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