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Which of the following occurs only in discrete (quantized) increments?


A) the speed a car drives on the interstate
B) the altitude that an airplane flies
C) time
D) the level of water in a sink
E) money

F) A) and B)
G) D) and E)

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Which of the following statements is NOT true regarding blackbody radiation,the ultraviolet catastrophe,and Planck's view of electromagnetic radiation?


A) A blackbody radiator does not absorb and emit one wavelength preferentially over another.
B) The emission spectrum of a blackbody radiator depends on its temperature.
C) A blackbody radiator cannot emit an infinite amount of radiation.
D) Planck theorized that real objects can only absorb or emit discrete packets of electromagnetic radiation.
E) The ultraviolet catastrophe disappears if emission spectrum of a blackbody radiator is continuous.

F) None of the above
G) D) and E)

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Orbitals within a given subshell have the __________


A) same principal and angular momentum quantum numbers.
B) same principal quantum numbers.
C) same angular momentum quantum numbers.
D) same angular momentum and magnetic quantum numbers.
E) same spin quantum number.

F) A) and B)
G) A) and C)

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Indicate which metal requires the shortest wavelength photons to eject photoelectrons based on the following data and graph.Work functions are in J ×\times 10-19.  Indicate which metal requires the shortest wavelength photons to eject photoelectrons based on the following data and graph.Work functions are in J  \times 10<sup>-19</sup>.   A) Ta B) Ti C) W D) Si E) Ag


A) Ta
B) Ti
C) W
D) Si
E) Ag

F) D) and E)
G) C) and D)

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Which set of quantum numbers could be correct for the highest energy electron in lead,Pb?


A) n = 5, Which set of quantum numbers could be correct for the highest energy electron in lead,Pb? A) n = 5,   = 1,m   <sub> </sub>= 0,m<sub>s</sub><sub> </sub>= -   B) n = 5,   = 2,m   = -1,m<sub>s</sub><sub> </sub>= +   C) n = 6,   = 1,m   = 0,m<sub>s</sub><sub> </sub>= -   D) n = 6,   = 1,m   = 2,m<sub>s</sub><sub> </sub>= +   E) n = 6,i = 2,m   = 0,m<sub>s</sub><sub> </sub>= -  = 1,m Which set of quantum numbers could be correct for the highest energy electron in lead,Pb? A) n = 5,   = 1,m   <sub> </sub>= 0,m<sub>s</sub><sub> </sub>= -   B) n = 5,   = 2,m   = -1,m<sub>s</sub><sub> </sub>= +   C) n = 6,   = 1,m   = 0,m<sub>s</sub><sub> </sub>= -   D) n = 6,   = 1,m   = 2,m<sub>s</sub><sub> </sub>= +   E) n = 6,i = 2,m   = 0,m<sub>s</sub><sub> </sub>= -  = 0,ms = - Which set of quantum numbers could be correct for the highest energy electron in lead,Pb? A) n = 5,   = 1,m   <sub> </sub>= 0,m<sub>s</sub><sub> </sub>= -   B) n = 5,   = 2,m   = -1,m<sub>s</sub><sub> </sub>= +   C) n = 6,   = 1,m   = 0,m<sub>s</sub><sub> </sub>= -   D) n = 6,   = 1,m   = 2,m<sub>s</sub><sub> </sub>= +   E) n = 6,i = 2,m   = 0,m<sub>s</sub><sub> </sub>= -
B) n = 5, Which set of quantum numbers could be correct for the highest energy electron in lead,Pb? A) n = 5,   = 1,m   <sub> </sub>= 0,m<sub>s</sub><sub> </sub>= -   B) n = 5,   = 2,m   = -1,m<sub>s</sub><sub> </sub>= +   C) n = 6,   = 1,m   = 0,m<sub>s</sub><sub> </sub>= -   D) n = 6,   = 1,m   = 2,m<sub>s</sub><sub> </sub>= +   E) n = 6,i = 2,m   = 0,m<sub>s</sub><sub> </sub>= -  = 2,m Which set of quantum numbers could be correct for the highest energy electron in lead,Pb? A) n = 5,   = 1,m   <sub> </sub>= 0,m<sub>s</sub><sub> </sub>= -   B) n = 5,   = 2,m   = -1,m<sub>s</sub><sub> </sub>= +   C) n = 6,   = 1,m   = 0,m<sub>s</sub><sub> </sub>= -   D) n = 6,   = 1,m   = 2,m<sub>s</sub><sub> </sub>= +   E) n = 6,i = 2,m   = 0,m<sub>s</sub><sub> </sub>= -  = -1,ms = + Which set of quantum numbers could be correct for the highest energy electron in lead,Pb? A) n = 5,   = 1,m   <sub> </sub>= 0,m<sub>s</sub><sub> </sub>= -   B) n = 5,   = 2,m   = -1,m<sub>s</sub><sub> </sub>= +   C) n = 6,   = 1,m   = 0,m<sub>s</sub><sub> </sub>= -   D) n = 6,   = 1,m   = 2,m<sub>s</sub><sub> </sub>= +   E) n = 6,i = 2,m   = 0,m<sub>s</sub><sub> </sub>= -
C) n = 6, Which set of quantum numbers could be correct for the highest energy electron in lead,Pb? A) n = 5,   = 1,m   <sub> </sub>= 0,m<sub>s</sub><sub> </sub>= -   B) n = 5,   = 2,m   = -1,m<sub>s</sub><sub> </sub>= +   C) n = 6,   = 1,m   = 0,m<sub>s</sub><sub> </sub>= -   D) n = 6,   = 1,m   = 2,m<sub>s</sub><sub> </sub>= +   E) n = 6,i = 2,m   = 0,m<sub>s</sub><sub> </sub>= -  = 1,m Which set of quantum numbers could be correct for the highest energy electron in lead,Pb? A) n = 5,   = 1,m   <sub> </sub>= 0,m<sub>s</sub><sub> </sub>= -   B) n = 5,   = 2,m   = -1,m<sub>s</sub><sub> </sub>= +   C) n = 6,   = 1,m   = 0,m<sub>s</sub><sub> </sub>= -   D) n = 6,   = 1,m   = 2,m<sub>s</sub><sub> </sub>= +   E) n = 6,i = 2,m   = 0,m<sub>s</sub><sub> </sub>= -  = 0,ms = - Which set of quantum numbers could be correct for the highest energy electron in lead,Pb? A) n = 5,   = 1,m   <sub> </sub>= 0,m<sub>s</sub><sub> </sub>= -   B) n = 5,   = 2,m   = -1,m<sub>s</sub><sub> </sub>= +   C) n = 6,   = 1,m   = 0,m<sub>s</sub><sub> </sub>= -   D) n = 6,   = 1,m   = 2,m<sub>s</sub><sub> </sub>= +   E) n = 6,i = 2,m   = 0,m<sub>s</sub><sub> </sub>= -
D) n = 6, Which set of quantum numbers could be correct for the highest energy electron in lead,Pb? A) n = 5,   = 1,m   <sub> </sub>= 0,m<sub>s</sub><sub> </sub>= -   B) n = 5,   = 2,m   = -1,m<sub>s</sub><sub> </sub>= +   C) n = 6,   = 1,m   = 0,m<sub>s</sub><sub> </sub>= -   D) n = 6,   = 1,m   = 2,m<sub>s</sub><sub> </sub>= +   E) n = 6,i = 2,m   = 0,m<sub>s</sub><sub> </sub>= -  = 1,m Which set of quantum numbers could be correct for the highest energy electron in lead,Pb? A) n = 5,   = 1,m   <sub> </sub>= 0,m<sub>s</sub><sub> </sub>= -   B) n = 5,   = 2,m   = -1,m<sub>s</sub><sub> </sub>= +   C) n = 6,   = 1,m   = 0,m<sub>s</sub><sub> </sub>= -   D) n = 6,   = 1,m   = 2,m<sub>s</sub><sub> </sub>= +   E) n = 6,i = 2,m   = 0,m<sub>s</sub><sub> </sub>= -  = 2,ms = + Which set of quantum numbers could be correct for the highest energy electron in lead,Pb? A) n = 5,   = 1,m   <sub> </sub>= 0,m<sub>s</sub><sub> </sub>= -   B) n = 5,   = 2,m   = -1,m<sub>s</sub><sub> </sub>= +   C) n = 6,   = 1,m   = 0,m<sub>s</sub><sub> </sub>= -   D) n = 6,   = 1,m   = 2,m<sub>s</sub><sub> </sub>= +   E) n = 6,i = 2,m   = 0,m<sub>s</sub><sub> </sub>= -
E) n = 6,i = 2,m Which set of quantum numbers could be correct for the highest energy electron in lead,Pb? A) n = 5,   = 1,m   <sub> </sub>= 0,m<sub>s</sub><sub> </sub>= -   B) n = 5,   = 2,m   = -1,m<sub>s</sub><sub> </sub>= +   C) n = 6,   = 1,m   = 0,m<sub>s</sub><sub> </sub>= -   D) n = 6,   = 1,m   = 2,m<sub>s</sub><sub> </sub>= +   E) n = 6,i = 2,m   = 0,m<sub>s</sub><sub> </sub>= -  = 0,ms = - Which set of quantum numbers could be correct for the highest energy electron in lead,Pb? A) n = 5,   = 1,m   <sub> </sub>= 0,m<sub>s</sub><sub> </sub>= -   B) n = 5,   = 2,m   = -1,m<sub>s</sub><sub> </sub>= +   C) n = 6,   = 1,m   = 0,m<sub>s</sub><sub> </sub>= -   D) n = 6,   = 1,m   = 2,m<sub>s</sub><sub> </sub>= +   E) n = 6,i = 2,m   = 0,m<sub>s</sub><sub> </sub>= -

F) C) and D)
G) B) and D)

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Which of the following is the correct condensed electron configuration for indium?


A) [Kr]5s24d105p1
B) [Kr]5s24d85p3
C) [Kr]4d105p3
D) [Kr]5s24d55p6
E) [Kr]5s14d105p2

F) None of the above
G) C) and D)

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Which of the following elements has the ground-state electron configuration 1s22s22p63s23p4?


A) Al
B) S
C) Cl
D) P
E) Ar

F) A) and E)
G) C) and D)

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The de Broglie wavelength of a particle traveling at 1% of the speed of light is 33.25 fm.Identify the particle from the following.(1 amu = 1.66054 ×\times 10-27 kg)


A) a proton (1.00727 amu)
B) a neutron (1.00866 amu)
C) an electron (0.0005486 amu)
D) a hydrogen atom
E) a helium atom

F) A) and B)
G) A) and C)

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Which of the following statements regarding orbitals and wave functions is true?


A) Wave functions are mathematical solutions to the Schrödinger wave equation.
B) Wave functions specify where an electron is at any given time.
C) An orbital encloses a region in space around the nucleus where the probability of finding an electron is 1.
D) The square of the wave function describes how the electron matter wave varies in time and space.
E) All sine functions are solutions to the Schrödinger equation for the hydrogen atom.

F) B) and C)
G) B) and D)

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A shell consists of all __________


A) electrons with the same A shell consists of all __________ A) electrons with the same   quantum number. B) orbitals with the same quantum numbers. C) orbitals with the same principal quantum number. D) electrons with the same magnetic quantum number. E) orbitals with the same   and m   quantum numbers. quantum number.
B) orbitals with the same quantum numbers.
C) orbitals with the same principal quantum number.
D) electrons with the same magnetic quantum number.
E) orbitals with the same A shell consists of all __________ A) electrons with the same   quantum number. B) orbitals with the same quantum numbers. C) orbitals with the same principal quantum number. D) electrons with the same magnetic quantum number. E) orbitals with the same   and m   quantum numbers. and m A shell consists of all __________ A) electrons with the same   quantum number. B) orbitals with the same quantum numbers. C) orbitals with the same principal quantum number. D) electrons with the same magnetic quantum number. E) orbitals with the same   and m   quantum numbers. quantum numbers.

F) B) and D)
G) B) and C)

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What information do boundary-surface representations of orbitals provide?


A) They enclose a region in which the probability of finding the electron is about 90%.
B) They show the radial nodes in an orbital.
C) They depict the path the electron takes over time.
D) They are graphical solutions to the Schrödinger equation.
E) They plot Ψ 2 versus distance from the nucleus.

F) None of the above
G) A) and B)

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Astronomers have detected hydrogen atoms in interstellar space in the n = 732 energy level.Suppose an atom in this excited state emits a photon and undergoes a transition from n = 732 to n = 2.How much energy does the atom lose as a result of this transition? What is the wavelength of the emitted radiation? Is this transition part of the Lyman,Balmer,or Paschen series?

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5.45 blured image 10-19 J of e...

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Which transition in a hydrogen atom involves the largest change in energy?


A) n1 = 2 to n2 = 3
B) n1 = 3 to n2 = 4
C) n1 = 1 to n2 = 3
D) n1 = 1 to n2 = 2
E) n1 = 9 to n2 = 10

F) All of the above
G) A) and D)

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Which of the following is the ground-state electron configuration of the Mg2+ ion?


A) 1s22s22p63s2
B) [Ne]3s2
C) [Ne]3s23p2
D) [He]2s22p6
E) [He]2s22p8

F) A) and B)
G) All of the above

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Which of the following represents an s orbital?


A)
Which of the following represents an s orbital? A)     B)      C)     D)     E)
B)
Which of the following represents an s orbital? A)     B)      C)     D)     E)
C)
Which of the following represents an s orbital? A)     B)      C)     D)     E)
D)
Which of the following represents an s orbital? A)     B)      C)     D)     E)
E)
Which of the following represents an s orbital? A)     B)      C)     D)     E)

F) All of the above
G) B) and D)

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Which arrangement is in the correct order of decreasing radii?


A) As3- > Br - > K+
B) F- > Mg+ > Cs
C) Na+ > Cs+ > I-
D) Be > Ba+ > O2-
E) Li+ > Na+ > K+

F) B) and C)
G) None of the above

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Arrange the following elements in order of increasing first ionization energy: 9F,12Mg,15P,17Cl.

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Indicate which of the following photons can cause emission of photoelectrons from a surface of gallium ( ϕ\phi = 6.7 ×\times 10-19 J) .


A) 350 nm
B) 400 nm
C) 200 nm
D) 650 nm
E) 500 nm

F) A) and D)
G) B) and D)

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What is the speed of an average argon atom that has a de Broglie wavelength of 5.2 pm? (1 amu = 1.66054 ×\times 10-27 kg)


A) 0.52 m/s
B) 5.2 ×\times 103 m/s
C) 1.9 ×\times 103 m/s
D) 1.9 m/s
E) 25 m/s

F) A) and E)
G) B) and D)

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What is the approximate total uncertainty in the velocity of an electron (9.11 ×\times 10-31 kg) confined within a gold atom whose diameter is about 270 pm? The uncertainty in the position of the electron is ±5.0% of the atom's diameter.


A) ±1.4 ×\times 103 m/s
B) ±2.1 ×\times 105 m/s
C) ±3.7 ×\times 105 m/s
D) ±2.1 ×\times 106 m/s
E) ±4.3 ×\times 106 m/s

F) A) and B)
G) A) and C)

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