The quantum-mechanical treatment of the H atom gives the energy, E, of the electron as a function of n:
E = - h² / 8π²mea²₀n² ( n = 1.2.3.......) where h is Planck’s constant, me is the electron mass, and a₀ is 52.92X10⁻¹² m.
(b) Use the expression from part (a) to find ΔE between n = 2 and n = 3.