An electron can only be at certain energy levels in a Hydrogen atom. These energy levels are calculated as En=-13.6/n2 eV where n is an integer denoting the energy level. When an electron moves from a higher energy level to a lower energy level, a photon is produced with an energy equal to Ef – Ei where f and i denotes final and initial levels, respectively.
The energy of the photon released when an electron moves from energy level 4 to 2 is?
The wavelength of the emitted photon is?
(nanometer, 1nm = 10-9m).
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