Physical Science
11th Edition
ISBN: 9780077862626
Author: Bill Tillery, Stephanie J. Slater, Timothy F. Slater
Publisher: McGraw-Hill Education
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Chapter 8, Problem 6FFA
To determine
To describe: The basic difference between Bohr model and
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Select all of the following statements that are basic assumptions of the Bohr model of the atom.
A) Atoms have a central nucleus with electrons in orbit about this nucleus.
B) Atoms are solid spheres of matter.Atoms are made of positive material with electrons fixed in place in this positive material.
C) Electrons orbit the nucleus, but the orbits can have only certain sizes and energy values.
D) Electrons can jump from one orbit to another around the nucleus.
E) They must gain energy to jump to a higher level, and they release energy when jumping to a lower level.
A neutral atom of the element boron (B) has 5 electrons. Four of the
electrons are removed, forming an ion with the one remaining electron.
a) Sketch an energy level diagram for this ion, showing the ground state and the first
two excited states. Label each state with the value of its energy.
b) Calculate the two longest wavelengths at which this ion can absorb radiation.
Assume all absorption occurs from the ground state.
c) What is the minimum amount of energy needed to remove the electron from the
ground state of this ion?
Chapter 8 Solutions
Physical Science
Ch. 8 - Prob. 1ACCh. 8 - Prob. 2ACCh. 8 - Prob. 3ACCh. 8 - 4. Millikan measured the charge on oil droplets...Ch. 8 - Prob. 5ACCh. 8 - Prob. 6ACCh. 8 - Prob. 7ACCh. 8 - Prob. 8ACCh. 8 - Prob. 9ACCh. 8 - Prob. 10AC
Ch. 8 - Prob. 11ACCh. 8 - Prob. 12ACCh. 8 - Prob. 13ACCh. 8 - Prob. 14ACCh. 8 - Prob. 15ACCh. 8 - Prob. 16ACCh. 8 - Prob. 17ACCh. 8 - Prob. 18ACCh. 8 - Prob. 19ACCh. 8 - Prob. 20ACCh. 8 - Prob. 21ACCh. 8 - Prob. 22ACCh. 8 - Prob. 23ACCh. 8 - Prob. 24ACCh. 8 - Prob. 25ACCh. 8 - Prob. 26ACCh. 8 - 27. Elements that have properties of both the...Ch. 8 - Prob. 28ACCh. 8 - Prob. 29ACCh. 8 - Prob. 30ACCh. 8 - Prob. 31ACCh. 8 - Prob. 32ACCh. 8 - Prob. 33ACCh. 8 - Prob. 34ACCh. 8 - Prob. 35ACCh. 8 - Prob. 36ACCh. 8 - Prob. 37ACCh. 8 - Prob. 38ACCh. 8 - Prob. 39ACCh. 8 - Prob. 40ACCh. 8 - Prob. 41ACCh. 8 - Prob. 42ACCh. 8 - Prob. 43ACCh. 8 - Prob. 44ACCh. 8 - Prob. 45ACCh. 8 - Prob. 46ACCh. 8 - Prob. 47ACCh. 8 - Prob. 48ACCh. 8 - Prob. 49ACCh. 8 - Prob. 1QFTCh. 8 - Prob. 2QFTCh. 8 - Prob. 3QFTCh. 8 - Prob. 4QFTCh. 8 - Prob. 5QFTCh. 8 - Prob. 6QFTCh. 8 - Prob. 7QFTCh. 8 - Prob. 8QFTCh. 8 - Prob. 9QFTCh. 8 - Prob. 10QFTCh. 8 - Prob. 11QFTCh. 8 - Prob. 12QFTCh. 8 - Prob. 1FFACh. 8 - Prob. 2FFACh. 8 - Prob. 3FFACh. 8 - Prob. 4FFACh. 8 - Prob. 5FFACh. 8 - Prob. 6FFACh. 8 - Prob. 1PEBCh. 8 - Prob. 2PEBCh. 8 - Prob. 3PEBCh. 8 - Prob. 4PEBCh. 8 - Prob. 5PEBCh. 8 - 6. If the charge-to-mass ratio of a proton is 9.58...Ch. 8 - Prob. 7PEBCh. 8 - 8. Using any reference you wish, write the...Ch. 8 - Prob. 9PEBCh. 8 - 10. Referring to Figure 8.16 only, write the...Ch. 8 - 11. An electric motor draws a current of 11.5 A in...Ch. 8 - Prob. 12PEBCh. 8 - Prob. 13PEBCh. 8 - Prob. 14PEBCh. 8 - Prob. 15PEBCh. 8 - Prob. 16PEBCh. 8 - Prob. 17PEBCh. 8 - Prob. 18PEBCh. 8 - Prob. 19PEB
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- Select statements that are appropriate for the Bohr model of an atom. Select one or more: a. The angular momentum of the revolving electron in stationary orbits is an integer multiple of the reduced Planck constant b. Electrons form a cloud around a heavy nucleus. c. The electron is able to revolve in certain stable orbits around the nucleus without radiating any energy.arrow_forwardDescribe the Thomson raisin pudding model of the atom.arrow_forwardDescribe what is meant by the "electron cloud" model of the atom it that arises from schrodinger's wave equation.arrow_forward
- Question: Principal Quantum Number (n) Energy (eV) 1 -13.6 2 -3.4 3 -1.51 4 -0.85 5 -0.54 A) Which of the above transitions between energy levels will emit EMR of the greatest frequency?B) Using a diagram explain how the Balmer series of spectral lines is produced.C) Identify the transition in the Balmer series will produce spectral line of the greatest frequencyarrow_forwardThe energy levels for a Bohr atom are shown below. Use this diagram to solve problems 7 and 8. 0 eV -2.5 eV -4.0 eV -7.0 eV -12.5 eV 7. What amount of energy is needed for an electron to jump from n = 1 to n = 4? 8. What is the wavelength of the photon needed to make this happen? Is it emission or absorption?arrow_forwardDescribe how the quantum model of the atom differs from the planetary model of the atom.arrow_forward
- Using Bohr’s equation, calculate the energy change experienced by an electron when it undergoes transitions between the following energy levels. b) n = 6 →∞arrow_forwardExplain in detail.arrow_forwardDetermine the wavelength of the emitted photons when the electron jumps from n= 4 state to n= 2 state for a Hydrogen atom. What are its color and the name of the spectral series?arrow_forward
- The line absorption spectrum of a sample of hydrogen gas was observed in a laboratory at room temperature. Answer the questions 1and 2 in relation to this spectrum. 1- Explain why the observed spectral lines would mainly correspond to the Lyman series. 2- Explain how a line absorption spectrum in the Balmer series could be produced.arrow_forward5) This question concerns the Bohr model of the atom. a) In what way is the Bohr model of the atom analogous (similar) to the model of the planets in the solar system revolving around the Sun? Explain in one or two sentences. 6) b) In what major way is the behavior of the electrons in the Bohr model of the atom very different than the behavior of the planets in the solar system revolving around the Sun? Explain in one or two sentences. In the hydrogen photon emission spectrum, the Paschen series are photon emissions which result from any electron transition to energy level nf = 3. What is the energy (in eV) of the third-longest wavelength photon emitted in the Paschen series?arrow_forwardWhich of the following postulates of the Bohr model led to the quantization of energy of the hydrogen atom? A- The electron goes around the nucleus in circular orbits. B- The angular momentum of the electron can only be an integral multiple of h/2a. C- The magnitude of the linear momentum of the electron is quantized. D- Quantization of energy is itself a postulate of the Bohr model.A. Electrons, The Bohr model of atoms A- assumes that the angular momentum of electrons is quantized. B- uses Einstein's photoelectric equation. C- predicts continuous emission spectra for atoms. D- predicts the same emission spectra for all types of atoms. The diagram shows the energy levels for an electron in a certain atom. Which transition shown represents the emission of a photon with the most energy? 3 IV A-I В-П C- II D- IV The Bohr model of an atom A- ussumes that the angular momentum of electrons is quantised. B- uses Einstein's photoelectric equation. C- predicts continuous emission spectra for…arrow_forward
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