7. The energy levels for a Bohr atom are shown below. -4.90 ev -7.65 eV n = 5 n = 4 n = 3 -13.6 eV -30.6 eV n= 2 -122.4 ev n = 1 What amount of energy is needed for an electron to jump from n = 1 to n = 3? (h = 6.626 x 10-34, 1 eV = 1.6 x 10-19 J) 117.5 ev 108.8 ev O 91.8 ev O 114.8 ev

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The Bohr model

Students often get confused between Rutherford’s model and Bohr model of an atom. They interpret the postulates of both these models to be the same, which is incorrect. Rutherford’s model differs from Bohr’s model in the following ways: