Uploaded November 2018 | Updated September 2026, 6 hours ago

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This video shows how to derive the Bohr radius of a hydrogen atom and the radii for the additional excited states.

The Bohr radius is a physical constant, approximately equal to the most probable distance between the nucleus and the electron in a hydrogen atom in its ground state. It is named after Niels Bohr, due to its role in the Bohr model of an atom.

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