Determine the energies in eV of the fourth and fifth energy levels of the hydrogen atom. (a) fourth energy level  eV (b) fifth energy level  eV Calculate the orbital radius in nm of an electron in hydrogen's fourth and fifth energy levels. (c) fourth energy level  nm (d) fifth energy level  nm

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Q: A hydrogen atom has an electron in then = 4 state. What is the kinetic energy of the electron?

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A: Answer               0 1 2 3

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Q: An electron sitting in the -4eV energy level of this atom is struck with a photon of wavelength…

A: It is given that, E1=-4 eV=-4×1.6×10-19 Vλ=431 nm=431×10-9 m

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A: Value of A is 1/3.

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Q: A-Calculate the momentum of electron in 2nd state of hydrogen atom?

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Q: An electron in the 3 rd principal energy level w

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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: