Physical Universe
16th Edition
ISBN: 9780077862619
Author: KRAUSKOPF, Konrad B. (konrad Bates), Beiser, Arthur
Publisher: Mcgraw-hill Education,
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Question
Chapter 9, Problem 30MC
To determine
The correct statement about the quantum mechanical theory of atom.
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Students have asked these similar questions
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.
In a model Bohr atom, an electron "orbits" a proton at a distance of 5.3 x 10-1'm. The
electron is in the atom's second energy level (Two wavelengths per orbit).
a. Calculate the electron's momentum.
b. Determine the atomic number, Z, of the atom.
c. Calculate the frequency of a photon that the electron would have to absorb to move
to the fourth energy level.
d. Calculate the frequency of a photon that the electron would have to emit to move to
the ground state energy level of the atom.
If all of the following particles move at the same speed, which one will have the greatest de Broglie wavelength?
O a. neutron
O b. proton
O c. electron
O d. nucleus
QUESTION 16
When an electron de-excites from an orbit of the first excited state (n = 2) to the ground state (n = 1):
O a. an electron is emitted
O b. a photon is emitted
O c. an electron is absorbed
O d. a photon is absorbed
QUESTION 17
The modulus square of a quantum particle's wavefunction describes the probability:
O a. that the particle will decay
O b. that the particle has a specific spin
O c. that the particle is at a particular position
O d. that the particle will disappear
Chapter 9 Solutions
Physical Universe
Ch. 9 - Prob. 1MCCh. 9 - Prob. 2MCCh. 9 - Prob. 3MCCh. 9 - Prob. 4MCCh. 9 - Prob. 5MCCh. 9 - Prob. 6MCCh. 9 - Prob. 7MCCh. 9 - Prob. 8MCCh. 9 - Prob. 9MCCh. 9 - Prob. 10MC
Ch. 9 - Prob. 11MCCh. 9 - Prob. 12MCCh. 9 - Prob. 13MCCh. 9 - Prob. 14MCCh. 9 - Prob. 15MCCh. 9 - Prob. 16MCCh. 9 - Prob. 17MCCh. 9 - Prob. 18MCCh. 9 - Prob. 19MCCh. 9 - Prob. 20MCCh. 9 - Prob. 21MCCh. 9 - Prob. 22MCCh. 9 - Prob. 23MCCh. 9 - Prob. 24MCCh. 9 - Prob. 25MCCh. 9 - Prob. 26MCCh. 9 - Prob. 27MCCh. 9 - Prob. 28MCCh. 9 - Prob. 29MCCh. 9 - Prob. 30MCCh. 9 - Prob. 31MCCh. 9 - Prob. 32MCCh. 9 - Prob. 33MCCh. 9 - Prob. 34MCCh. 9 - Prob. 35MCCh. 9 - Prob. 36MCCh. 9 - Prob. 37MCCh. 9 - Prob. 38MCCh. 9 - Prob. 39MCCh. 9 - Prob. 40MCCh. 9 - Prob. 41MCCh. 9 - Prob. 42MCCh. 9 - Prob. 1ECh. 9 - Prob. 2ECh. 9 - Prob. 3ECh. 9 - Prob. 4ECh. 9 - Prob. 5ECh. 9 - Prob. 6ECh. 9 - Prob. 7ECh. 9 - Prob. 8ECh. 9 - Prob. 9ECh. 9 - Prob. 10ECh. 9 - Prob. 11ECh. 9 - Prob. 12ECh. 9 - Prob. 13ECh. 9 - Prob. 14ECh. 9 - Prob. 15ECh. 9 - Prob. 16ECh. 9 - Prob. 17ECh. 9 - Prob. 18ECh. 9 - Prob. 19ECh. 9 - Prob. 20ECh. 9 - Prob. 21ECh. 9 - Prob. 22ECh. 9 - Prob. 23ECh. 9 - Prob. 24ECh. 9 - Prob. 25ECh. 9 - Prob. 26ECh. 9 - Prob. 27ECh. 9 - Prob. 28ECh. 9 - Prob. 29ECh. 9 - Prob. 30ECh. 9 - Prob. 31ECh. 9 - Prob. 32ECh. 9 - Prob. 33ECh. 9 - Prob. 34ECh. 9 - Prob. 35ECh. 9 - Prob. 36ECh. 9 - Prob. 37ECh. 9 - Prob. 38ECh. 9 - Prob. 39ECh. 9 - Prob. 40ECh. 9 - Prob. 41ECh. 9 - Prob. 42ECh. 9 - Prob. 43ECh. 9 - Prob. 44ECh. 9 - Prob. 45ECh. 9 - Prob. 46ECh. 9 - Prob. 47ECh. 9 - Prob. 48ECh. 9 - Prob. 49ECh. 9 - Prob. 50ECh. 9 - Prob. 51ECh. 9 - Prob. 52ECh. 9 - Prob. 53ECh. 9 - Prob. 54ECh. 9 - Prob. 55ECh. 9 - Prob. 56ECh. 9 - Prob. 57ECh. 9 - Prob. 58ECh. 9 - Prob. 59ECh. 9 - Prob. 60ECh. 9 - Prob. 61ECh. 9 - Prob. 62ECh. 9 - Under what circumstances do electrons exhibit...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- (a) Calculate the magnitude of the angular momentum for an l=1 electron. (b) Compare your answer to the value Bohr proposed for the n=1 state.arrow_forward(a) What is the momentum of a 0.0100-nm-wavelength photon that could detect details of an atom? (b) What is its energy in MeV?arrow_forwardWhat is the difference in energy between the nx=ny=nz=4 state and the state with the next higher energy? What is the percentage change in the energy between the nx=ny=nz=4 state and the state with the next higher energy? (b) Compare these with the difference in energy and the percentage change in the energy between the nx=ny=nz=400 state and the state with the next higher energy.arrow_forward
- 1. The black-body emission of an object tells us its: a. electric charge. b. single wavelength emitted. c. temperature. d. quantum state. e. element composition 2. Spectroscopy is interested in emission and absorption lines, because ... a. they sound really pretty. b.they are only emitted by intelligent life. c. electric currents always emit certain sound waves. d. they are pretty. e. they correspond to specific electron transitions characteristic to certain elements (and certain ions and molecules).arrow_forward4. The states being filled from the beginning to end of the lanthanide series of atoms are: a. n= 3, l = 2 states b. n = 4, l = 3 states c. n = 4, l = 2 states d. n = 4, l = 1 states 5. Which of the following is not part of the Copenhagen Interpretation? a. Uncertainty Principle(X) b. Complementarity Principle(X) c. Corresponding Principle d. Statistical Interpretation 6. This property is common to both strong and gravitational forces. a. They are both attractive force. b. They have the same range. c. They are function of inverse-square of distance. d. They are carried by hypothesized particle.arrow_forward1. With what kind of “light” (e-m radiation) can we excite electrons to very high energy states, from which they will fall down in several steps – thereby making a material fluoresce in visible light? a. microwaves. b. sub-millimeter waves. c. radio waves. d. IR. e. UV. 2. Electrons inside elements can be in certain, well-defined excited states (quantum levels). When they leave such a state to a lower energy state, the frequency f of the “light” (electromagnetic radiation) emitted is related to the energy difference ΔE between such two states as: a.an undefined quantity. b. the same as a black-body emitter. c. the same as a gravitational field. d. ΔE = h · f , where h is Planck’s constant. e. related via the equation c = c2 3. About a decade later, using his oil droplet experiment, Millikan was able to find the smallest possible charge on such droplets, which he interpreted as the charge of a single electron. With that and the m/e ratio above, he was…arrow_forward
- According to the Bohr model of the atom electrons exist in orbits around the atomic nucleus labelled by a quantum number n. The Bohr radius of an Hydrogen atom is 0.53 angstroms. What is the radius for the n = 3 orbit ? Select one: a. 0.176 angstroms. b. 1.59 angstroms. c. 3.18 angstroms. d. 4.77 angstroms.arrow_forwardAn electron is excited from the ground state of an atom (energy level 1) into a highly excited state (energy level 8). Which of the following electron behaviors represents the fluorescence effect by the atom? a. The electron remains at level 8 for a very long time, then transitions up to level 9. b. The electron transitions directly down from level 8 to level 1. c. The electron transitions from level 8 to level 1 and then returns quickly to level 8. d. The electron transitions from level 8 to level 6, then to level 5, then to level 3, then to level 1.arrow_forward
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