angular momentum azimuthal quantum number azimuthal quantum number en.wikipedia.org azimuthal quantum number English azimuthal quantum number Wikipedia article English azimuthal quantum number ℓ orbital angular momentum Azimuthal quantum number azimuthal quantum number azimuthal quantum number Azimuthal quantum number English English orbital angular momentum https://en.wikipedia.org/wiki/Azimuthal_quantum_number ℓ ℓ orbital angular momentum English