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
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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.
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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.
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A) Ta
B) Ti
C) W
D) Si
E) Ag
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A) n = 5, = 1,m
= 0,ms = -
B) n = 5, = 2,m
= -1,ms = +
C) n = 6, = 1,m
= 0,ms = -
D) n = 6, = 1,m
= 2,ms = +
E) n = 6,i = 2,m = 0,ms = -
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A) [Kr]5s24d105p1
B) [Kr]5s24d85p3
C) [Kr]4d105p3
D) [Kr]5s24d55p6
E) [Kr]5s14d105p2
Correct Answer
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A) Al
B) S
C) Cl
D) P
E) Ar
Correct Answer
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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
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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.
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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.
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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.
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View Answer
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
Correct Answer
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A) 1s22s22p63s2
B) [Ne]3s2
C) [Ne]3s23p2
D) [He]2s22p6
E) [He]2s22p8
Correct Answer
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A)
B)
C)
D)
E)
Correct Answer
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A) As3- > Br - > K+
B) F- > Mg+ > Cs
C) Na+ > Cs+ > I-
D) Be > Ba+ > O2-
E) Li+ > Na+ > K+
Correct Answer
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A) 350 nm
B) 400 nm
C) 200 nm
D) 650 nm
E) 500 nm
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A) 0.52 m/s
B) 5.2 103 m/s
C) 1.9 103 m/s
D) 1.9 m/s
E) 25 m/s
Correct Answer
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A) ±1.4 103 m/s
B) ±2.1 105 m/s
C) ±3.7 105 m/s
D) ±2.1 106 m/s
E) ±4.3 106 m/s
Correct Answer
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