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Dec5-11, 02:59 AM
Sci Advisor
HW Helper
P: 11,947
Actually the Bohr model is also 3D. it turns out that the motion of the electron is circular (one parameter = 1DOF), due to angular momentum conservation, because of the central potential.

What's the quantization rule for angular momentum in the Bohr model ? What about wave mechanics of Schrödinger ?