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College Quantum Physics and the Atom Questions

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College Quantum Physics and the Atom
Which combination of n, l, and ml values could represent the orbital shown?
Single-Electron Orbitals - P₋₁
  1. n=2, l=0, ml=0
  2. n=2, l=1, ml=-1
  3. n=2, l=1, ml=0
  4. n=2, l=1, ml=1
College Quantum Physics and the Atom
Which of the following d-orbitals has the structure shown? (Ignore the label shown in the diagram.)
Single-Electron Orbitals - D₀
  1. dxz
  2. dx2-y2
  3. dz2
  4. dxy
College Quantum Physics and the Atom
Which of the following combinations of n, l, and ml could lead to the orbital shown?
Single-Electron Orbitals - S
  1. n=2,l=1,ml=-1,0,1
  2. n=3,l=0,ml=0
  3. n=4,l=2,ml=-2
  4. None of the above
College Quantum Physics and the Atom
Which combination of n, l, and ml values could represent the orbital shown?
Single-Electron Orbitals - F₃
  1. n=3, l=2, and ml=-2
  2. n=3, l=0, and l=0
  3. n=4, l=3, and ml=3
  4. n=4, l=1, and ml=-1
College Quantum Physics and the Atom
Which of the following describes electron spin quantum number?
  1. An orbital holds two electrons, and they have identical spin
  2. An orbital holds three electrons, and they have identical spins
  3. An orbital holds two electrons, and they have opposite spins
  4. An orbital holds three electrons, and they have opposite spins
College Quantum Physics and the Atom
Which range of wavelength is involved in the visible spectrum?
  1. 10-12m
  2. 4×10-7m to 7×10-7m
  3. 10-2m
  4. 104m
College Quantum Physics and the Atom
Which of the following correctly describes the changes in frequency and energy, in moving from radio waves to gamma rays?
  1. Energy and frequency both decrease
  2. Energy and frequency both increase
  3. Energy increases, and frequency decreases
  4. Energy decreases, and frequency increases
College Quantum Physics and the Atom
Which of the following correctly describes the Bohr Model?
  1. The electron exists in triangular regions called orbitals
  2. Electrons are distributed randomly throughout an atom
  3. Electrons are distributed in a dense region known as an orbital
  4. Electrons are distributed in a circular region known as orbits
College Quantum Physics and the Atom
Which of the following correctly represents the relationship between distance and first ionization energy?
  1. As distance increases, so too does the ionization energy
  2. As distance increases, the ionization energy decreases
  3. As distance decreases, the ionization energy remains the same
  4. As distance increases, the ionization energy remains the same
College Quantum Physics and the Atom
To which of the following elements does the Bohr model apply to?
  1. helium, only
  2. hydrogen and helium
  3. hydrogen, only
  4. hydrogen, helium, and lithium
College Quantum Physics and the Atom
How is energy transferred?
  1. in packets of energy called protons
  2. in the form of subatomic particles
  3. in the form of photons and subatomic particles
  4. in the form of photons
College Quantum Physics and the Atom
Which form of electromagnetic radiation is associated with the bright-line spectra of hydrogen atoms?
  1. Infrared Radiation
  2. X-Ray
  3. Gamma Ray
  4. Microwave
College Quantum Physics and the Atom
Which of the following correctly describes the Heisenberg Uncertainty Principle qualitatively?
  1. We cannot determine the exact path of an electron
  2. We cannot determine the exact location of an electron
  3. We cannot determine the exact path and location of an electron simultaneously
  4. None of the above
College Quantum Physics and the Atom
In going from gamma rays to microwaves, how do wavelength and energy change?
  1. Wavelength and energy both increase
  2. Wavelength and energy both decrease
  3. Wavelength decreases, while energy increases
  4. Wavelength increases, while energy decreases
College Quantum Physics and the Atom
Which equation correctly describes the electric force between two charged objects?
  1. F=keq1q2r2
  2. F=keq1q2r
  3. F=keq1q2r2
  4. None of the above
College Quantum Physics and the Atom
Which of the following is represented by the discrete lines in bright-line spectra?
  1. definite speeds of light
  2. definite frequencies
  3. definite wavelengths
  4. none of the above
College Quantum Physics and the Atom
Assuming that two species have the same electron arrangement, which of the following will lead to a higher ionization energy for an electron?
  1. A higher nuclear charge
  2. A lower nuclear charge
  3. A lower nuclear charge and greater electron-electron repulsion
  4. None of the above
College Quantum Physics and the Atom
How many p orbitals exist?
  1. 3
  2. 6
  3. 12
  4. 5
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