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Answer: The binding energy of a hydrogen atom is the minimum energy required to remove the electron from its ground state (n = 1) to infinity, i.e. to free it from the atom. Its value is 13.6 eV.

It equals the negative of the total energy of the electron in the ground state, \(E_1 = -13.6\) eV.

Doubtly AI · 29 Oct 2026 AI-generated · not yet verified Report
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