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Q. Principal, azimuthal and magnetic quantum numbers are respectively related to

AIIMSAIIMS 1999Structure of Atom

Solution:

Principle quantum number $(n)$ represents the name, size and energy of the shell of the electron. $n=1,2,3,4 \ldots \ldots$

Azimuthal quantum number $(l)$ describes the spatial distribution of electron cloud and angular momentum.

Magnetic quantum number $(m)$ describes the possible orientations of orbitals.