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Which of the following is a possible set of quantum numbers for a 3d orbital?


A) n = 3, Which of the following is a possible set of quantum numbers for a 3d orbital? A) n = 3, = 1,m = -1 B) n = 3, = 0,m = 0 C) n = 3, = 2,m = 3 D) n = 3, = 2,m<sub>i</sub> = 0 E) n = 3, = 1,m = 2 = 1,m Which of the following is a possible set of quantum numbers for a 3d orbital? A) n = 3, = 1,m = -1 B) n = 3, = 0,m = 0 C) n = 3, = 2,m = 3 D) n = 3, = 2,m<sub>i</sub> = 0 E) n = 3, = 1,m = 2 = -1
B) n = 3, Which of the following is a possible set of quantum numbers for a 3d orbital? A) n = 3, = 1,m = -1 B) n = 3, = 0,m = 0 C) n = 3, = 2,m = 3 D) n = 3, = 2,m<sub>i</sub> = 0 E) n = 3, = 1,m = 2 = 0,m Which of the following is a possible set of quantum numbers for a 3d orbital? A) n = 3, = 1,m = -1 B) n = 3, = 0,m = 0 C) n = 3, = 2,m = 3 D) n = 3, = 2,m<sub>i</sub> = 0 E) n = 3, = 1,m = 2 = 0
C) n = 3, Which of the following is a possible set of quantum numbers for a 3d orbital? A) n = 3, = 1,m = -1 B) n = 3, = 0,m = 0 C) n = 3, = 2,m = 3 D) n = 3, = 2,m<sub>i</sub> = 0 E) n = 3, = 1,m = 2 = 2,m Which of the following is a possible set of quantum numbers for a 3d orbital? A) n = 3, = 1,m = -1 B) n = 3, = 0,m = 0 C) n = 3, = 2,m = 3 D) n = 3, = 2,m<sub>i</sub> = 0 E) n = 3, = 1,m = 2 = 3
D) n = 3, Which of the following is a possible set of quantum numbers for a 3d orbital? A) n = 3, = 1,m = -1 B) n = 3, = 0,m = 0 C) n = 3, = 2,m = 3 D) n = 3, = 2,m<sub>i</sub> = 0 E) n = 3, = 1,m = 2 = 2,mi = 0
E) n = 3, Which of the following is a possible set of quantum numbers for a 3d orbital? A) n = 3, = 1,m = -1 B) n = 3, = 0,m = 0 C) n = 3, = 2,m = 3 D) n = 3, = 2,m<sub>i</sub> = 0 E) n = 3, = 1,m = 2 = 1,m Which of the following is a possible set of quantum numbers for a 3d orbital? A) n = 3, = 1,m = -1 B) n = 3, = 0,m = 0 C) n = 3, = 2,m = 3 D) n = 3, = 2,m<sub>i</sub> = 0 E) n = 3, = 1,m = 2 = 2

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Which of the following elements would you expect to have the lowest first ionization energy?


A) F
B) Br
C) Cl
D) I
E) Xe

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Which of the following orbitals is the lowest in energy (assuming they are all in the same shell) ?


A)
Which of the following orbitals is the lowest in energy (assuming they are all in the same shell) ? A) B) C) D) E)
B)
Which of the following orbitals is the lowest in energy (assuming they are all in the same shell) ? A) B) C) D) E)
C)
Which of the following orbitals is the lowest in energy (assuming they are all in the same shell) ? A) B) C) D) E)
D)
Which of the following orbitals is the lowest in energy (assuming they are all in the same shell) ? A) B) C) D) E)
E)
Which of the following orbitals is the lowest in energy (assuming they are all in the same shell) ? A) B) C) D) E)

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Indicate which one of the following sources produces the highest energy photons.


A) a radio station with vv = 106.7 MHz
B) a dentist's X-ray source with λ\lambda = 100 pm
C) the laser in a CD player with λ\lambda = 650 nm
D) a microwave oven with vv = 6.0 ×\times 1010 Hz
E) your cell phone with vv = 1.750 GHz

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De Broglie proposed that λ\lambda = h/mv.Define the symbols in this equation and describe the significance of de Broglie's proposal.

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blured imageis the wavelength of a particle,h is Pla...

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Which of the following types of electromagnetic radiation has the highest frequency?


A) ultraviolet
B) X-rays
C) radio waves
D) infrared
E) visible

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Which transition in a hydrogen atom will cause emission of the shortest wavelength photon?


A) ninitial = 5 to nfinal = 3
B) ninitial = 4 to nfinal = 3
C) ninitial = 4 to nfinal = 2
D) ninitial = 3 to nfinal = 2
E) ninitial = 3 to nfinal = 1

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Which statement about Rutherford's model of the atom is NOT correct?


A) It detailed the arrangement of the electrons in the atom.
B) It hypothesized that most of the mass of the atom was located in a very small region at the center of the atom called the nucleus.
C) It did not explain the some experimental findings,such as the photoelectric effect and the colors of light emitted by heated objects.
D) It suggested that most of the atom was empty space.
E) It suggested that the positive charge was not spread out over the atom's entire volume but,rather,concentrated in the nucleus.

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How many times longer is the de Broglie wavelength of a helium atom (6.647 ×\times 10-27kg) moving at 220 m/s than that of a baseball (0.145 kg) moving at 35 m/s?


A) 3.5 ×\times 1024
B) 2.2 ×\times 1025
C) 9.5 ×\times 1033
D) 1.5 ×\times 109
E) 3.7 ×\times 1034

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What is the shortest wavelength of light emitted by an excited hydrogen atom when nfinal = 2?


A) 91.16 nm
B) 121.5 nm
C) 273.5 nm
D) 364.6 nm
E) 656.3 nm

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Which of the following photons has the highest energy?


A) a photon with λ\lambda = 1.064 μm
B) a photon with vv = 5.83 ×\times 1014 Hz
C) a photon with λ\lambda = 647 nm
D) a photon with vv = 1.55 ×\times 1015 Hz
E) a photon with λ\lambda = 633 pm

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The following orbital diagrams show the n = 2 electrons in row 2 atoms.Which one corresponds to an excited-state atom?


A)
The following orbital diagrams show the n = 2 electrons in row 2 atoms.Which one corresponds to an excited-state atom? A) B) C) D) E)
B)
The following orbital diagrams show the n = 2 electrons in row 2 atoms.Which one corresponds to an excited-state atom? A) B) C) D) E)
C)
The following orbital diagrams show the n = 2 electrons in row 2 atoms.Which one corresponds to an excited-state atom? A) B) C) D) E)
D)
The following orbital diagrams show the n = 2 electrons in row 2 atoms.Which one corresponds to an excited-state atom? A) B) C) D) E)
E)
The following orbital diagrams show the n = 2 electrons in row 2 atoms.Which one corresponds to an excited-state atom? A) B) C) D) E)

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Suppose a bar code scanner emits light in the visible region of the spectrum at 4.62 ×\times 1014 s-1.What color is the light?


A) red
B) orange
C) yellow
D) green
E) blue

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The work function of sodium is ϕ\phi = 2.90 ×\times 10-19 J.What is the maximum wavelength that can cause ejection of photoelectrons from a sodium surface?


A) 151 nm
B) 222 nm
C) 45.1 nm
D) 451 nm
E) 685 nm

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A mercury vapor lamp can be used as a 185 nm light source.What is the energy of one photon in J? Of one mole of photons in kJ?

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1.07 blured image 10

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The speed of light generally decreases when it passes through media other than a vacuum.The speed,v,is approximately c (2.998 ×\times 108m/s) divided by a quantity called the medium's refractive index, η\eta .In which of the following would the frequency of 193 nm light be the lowest? ( vv = c/ η\eta ; c = λ\lambdavv )


A) hydrogen, η\eta = 1.0001
B) carbon tetrachloride, η\eta = 1.461
C) silicone oil, η\eta = 1.520
D) water, η\eta = 1.3330
E) diamond, η\eta = 2.419

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Which one of the following sources produces the highest energy photons?


A) a doctor's X-ray source
B) a heat lamp in a restaurant
C) a microwave oven
D) gamma rays from a star
E) radio waves from a local station

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Calculate the wavelengths in nm corresponding to the three lowest energy transitions in the Balmer series of the hydrogen emission spectrum.What are the ninitial values associated with each?

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656.2 nm,n...

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Which of the following states that each electron in an atom must have a unique set of four quantum numbers?


A) Hund's rule
B) the Pauli exclusion principle
C) the aufbau principle
D) the Rydberg equation
E) the Heisenberg uncertainty principle

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Calculate the de Broglie wavelength of an electron (9.11 ×\times 10-31 kg)moving at 99% of the speed of light.This is closest in size to which of the following (approximate dimensions are given): a proton (2 fm); a helium atom (60 pm); a bacterium (10 μm); a mosquito (1 mm); a baseball bat (1 m); a football field (100 m)?

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2.45 blured image 10

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