Exam 7: The Structure of Atoms

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Which of the following is/are correct postulates of Bohr's theory of the hydrogen atom ? 1.The energy of an electron in an atom is quantized (i.e. only specific energy values are possible). 2.The principal quantum number (n), specifies each unique energy level. 3.An electron transition from a lower energy level to a higher energy level results in an emission of a photon of light.

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What is the value of the spin quantum number for an electron in a 3d orbital?

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The energy required to break one mole of fluorine-fluorine bonds in F2 is 155 kJ/mol. What is the longest wavelength of light capable of breaking a single F-F bond?

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For which of the following transitions would a hydrogen atom emit the lowest energy photon?

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What is the total number of subshells found in the n = 7 shell?

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The ____ of a photon of light is ____ proportional to its frequency and ____ proportional to its wavelength.

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Which of the following orbital boundary surfaces represent d-orbitals? Which of the following orbital boundary surfaces represent d-orbitals?

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Which of the following sets of quantum numbers (n, l, ml, ms) is not permissible?

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What is the energy per mole of photons of light with a frequency of 9.01 × 1014 Hz?

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Which of the following ranks the regions of the electromagnetic spectrum from shortest to longest wavelength.

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According to Heisenberg's _____ principle, it is impossible to simultaneously measure the exact location and energy of an electron.

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What evidence does the photoelectric effect provide that photons are not only waves?

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What is the value of the orbital angular momentum quantum number ( \ell ) for an electron in a 4f orbital?

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The Bohr model predicts that the energy of an atom's electron is _____. It means that the electron can only occupy orbitals of specific energies.

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The electron in a hydrogen atom, originally in level n = 10, undergoes a transition to a lower level by emitting a photon of wavelength 1739 nm. What is the final level of the electron? (c = 3.00 × 108 m/s, h = 6.626 × 10-34 J·s, RH = 2.179 × 10-18 J)

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How many f orbitals are in the n = 4 shell?

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What is the wavelength of a photon that has an energy of 7.863×1047.863 \times 10 ^ { 4 } J

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What is the energy of a photon of electromagnetic radiation with a frequency of 8.44×10148.44 \times 10 ^ { 14 } Hz?

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In Bohr's atomic theory, when an electron moves from one energy level to another energy level more distant from the nucleus,

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What is the de Broglie wavelength of a 146-g baseball traveling at 99 mph? (1 mi = 1.609 km and h = 6.63 × 10-34 J·s)

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