a) The diagram shows the energy level diagram for a hydrogen atom.0 eV,-0.38 eV.-0.54 eV-0.85 eV-1.51 eVAn electron moves from quantum number n=3 to n=2.-3.39 evEnergy (ev)-13.6 eVionisationground levelCCCCii) Calculate the change in energy of the electron, giving your answer in joules.||||||||8 pintn=4n=3n=2quantum numbersi) Explain how this energy level diagram can be used to model the behaviour of the singleelectron in a hydrogen atom.n=1

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a) The diagram shows the energy level diagram for a hydrogen atom. 0 eV, -0.38 eV. -0.54 eV- -0.85 ev -1.51 eV -3.39 ev Energy (ev) n electron moves from quantum number n=3 to n=2. -13.6 ev ionisation ground level n=∞ n=6 n=5 n=4 ii) Calculate the change in energy of the electron, giving your answer in joules. n=3 n=2 quantum numbers i) Explain how this energy level diagram can be used to model the behaviour of the single electron in a hydrogen atom. n=1

a) The diagram shows the energy level diagram for a hydrogen atom. 0 eV, -0.38 eV. -0.54 eV- -0.85 ev -1.51 eV -3.39 ev Energy (ev) n electron moves from quantum number n=3 to n=2. -13.6 ev ionisation ground level n=∞ n=6 n=5 n=4 ii) Calculate the change in energy of the electron, giving your answer in joules. n=3 n=2 quantum numbers i) Explain how this energy level diagram can be used to model the behaviour of the single electron in a hydrogen atom. n=1

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question 7 A hydrogen atom initially in the n = 3 level emits a photon and ends up in the ground state. (a) What is the energy of the emitted photon? eV(b) If this atom then absorbs a second photon and returns to the n = 3 state, what must the energy of this photon be? eV
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(c) Consider the semi-classical model for a two-electron atom illustrated in the diagram below. This model attempts to extend the Bohr model to a two-electron system by assuming both electrons follow a circular orbit around the nucleus while remaining diametrically opposite to each other. electron nucleus, electron (i) Carefully explain why, for the ground state of helium, this semi-classical model predicts that both electrons would experience an effective nuclear charge Zeff %3D (ii) Assuming that each electron's angular momentum is quantized in the same manner as the usual Bohr model for single-electron atoms, calculate the total binding energy of the ground state of helium according to this semi classical model.
7) Find the wavelength of the photon as an electron makes a transition from n=4 to n=3. for particle in a box with E1=13.6 eV
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An electron is excited from the n=1 ground state to the n=3 state in a hydrogen atom. Which of the following statements are true? Correct the false statements to make them true. (It may help to draw the Bohr model of the atom with the corresponding electron orbits.)a. It takes more energy to ionize (completely remove) the electron from n = 3 than from the ground state.b. The electron is farther from the nucleus on average in the n = 3 state than in the n = 1 state.c. The wavelength of light emitted if the electron drops from n = 3 to n = 2 will be shorter than the wavelength of light emitted if the electron falls from n = 3 to n = 1.d. The wavelength of light emitted when the electron returns to the ground state from n = 3 will be the same as the wavelength of light absorbed to go from n = 1 to n = 3.e. For n = 3, the electron is in the first excited state.
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Question e(ii) and (iii)
The kinetic energy operator in 3-D is: a. Î= – Invalid element O b. O C. O d. T= ħ2² 2m - ·D2 ħ 2m ħ 2m V V
B- What is the maximum number of electrons that can be associated with the following set of quantum numbers where n-3, if 1-1 and if 1 - 2 ?
5) A metal with work function 9.05 eV is used for a photoelectric effect lab. Find the energy of the electrons if light with 200nm wavelength is used. 6) Energy levels for a particular system is given as En = 10.5 n(n+1)/n^3 in eV. Find the energy for electron transition from n=2 to n=4. Determine if this transition is an absorption that requires energy or it is an emission that releases photon.