Exam 8: The Quantum Mechanical Atom
Exam 1: A Very Brief History of Chemistry90 Questions
Exam 2: Scientific Measurements224 Questions
Exam 3: Elements, Compounds, and the Periodic Table227 Questions
Exam 4: The Mole and Stoichiometry207 Questions
Exam 5: Molecular View of Reactions in Aqueous Solutions237 Questions
Exam 6: Oxidation-Reduction Reactions175 Questions
Exam 7: Energy and Chemical Change176 Questions
Exam 8: The Quantum Mechanical Atom219 Questions
Exam 9: The Basics of Chemical Bonding167 Questions
Exam 10: Theories of Bonding and Structure196 Questions
Exam 11: Properties of Gases162 Questions
Exam 12: Intermolecular Attractions and the Properties of Liquids and Solids189 Questions
Exam 13: Mixtures at the Molecular Level: Properties of Solutions133 Questions
Exam 14: Chemical Kinetics151 Questions
Exam 15: Chemical Equilibrium109 Questions
Exam 16: Acids and Bases, a Molecular Look104 Questions
Exam 17: Acid-Base Equilibria in Aqueous Solutions184 Questions
Exam 18: Solubility and Simultaneous Equilibria120 Questions
Exam 19: Thermodynamics109 Questions
Exam 20: Electrochemistry143 Questions
Exam 21: Nuclear Reactions and Their Role in Chemistry115 Questions
Exam 22: Metal Complexes113 Questions
Exam 23: Organic Compounds, Polymers, and Biochemicals140 Questions
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Which configuration represents a nonexistent state?
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(Multiple Choice)
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Correct Answer:
C
What is the wavelength of light emitted by a hydrogen atom when an electrons goes from n = 3 to n = 1? The value of the Rydberg constant for hydrogen is 109,678 cm-1.
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(Short Answer)
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Correct Answer:
1.026 × 10-7 m
When n = 2, there are two subshells - the first is for n = 2 and l = 0, while the second is for
and 


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(True/False)
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Correct Answer:
False
A wave in which the crests and nodes do not change position is called ________.
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Which configuration represents an excited state configuration (that is, one which is not a ground state, yet does not violate the Pauli principle)?
(Multiple Choice)
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A possible set of quantum numbers for an electron in the partially filled subshell in a technetium atom in its ground state configuration would be 

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What is the wavelength of electromagnetic radiation which has a frequency of 4.464 × 1014 s-1?
(Multiple Choice)
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Calculate the wavelength, in meters, of a proton (mass = 1.673 × 10-27 kg)that is traveling at 5.30 m/s (c = 2.998 × 108 m/s).
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Which atom in the set [Mg, Cr, N, Sn, Ba, Sn, Se] would you expect to have the smallest first ionization energy?
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What is the energy of one photon of visible radiation with a wavelength of 464.1 nm?
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Which atom in the set [O, F, Ne, Ar, Cl, K, Ga] has the largest first ionization energy?
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The fact that the energy of paired electrons is higher than the energy of unpaired electrons leads to which of the following?
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The set of 3d orbitals is populated with electrons prior to any electrons being placed in the 4s orbital.
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For which process is the largest amount of energy required?
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The spinning electrical charge of the electron creates its own magnetic field.
(True/False)
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The maximum number of electrons in an atom that can have the following exact same set of quantum numbers is ________. 

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The spin of the electron is responsible for the fourth quantum number, called the spin quantum number, ms.
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In an electromagnetic wave, an oscillating charge creates an oscillating magnetic field.
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