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14: An electron in hydrogen atom at the energy level n = 7 undergo a transition...

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Chemistry

14: An electron in hydrogen atom at the energy level n = 7undergo a transition to level n = 3: Find the frequency and theenergy of the emitted photon.

15: An electron jumps from higher energy level to the firstenergy level with an energy difference of 2.04375 x10-18 J. find the initial energy level. Show yourcalculations,

16: A: What will be the speed of an electron at 4 th energylevel? Suppose the electron has a wavelength of 97.3 nm Given Massof electron is 9.11 x 10-31 kg. Use de Broglie’stheory.

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