Using the Bohr formula for the energy levels, calculate the energy required to raise the electron in

Question:

Using the Bohr formula for the energy levels, calculate the energy required to raise the electron in a hydrogen atom from n = 1 to n = ∞. Express the result for 1 mol H atoms. Because the n = ∞ level corresponds to removal of the electron from the atom, this energy equals the ionization energy of the H atom.