Exam 4: The Modern Model of the Atom
Exam 1: What Is Chemistry51 Questions
Exam 2: The Numerical Side of Chemistry147 Questions
Exam 3: The Evolution of Atomic Theory92 Questions
Exam 4: The Modern Model of the Atom97 Questions
Exam 5: Chemical Bonding and Nomenclature245 Questions
Exam 6: The Shape of Molecules92 Questions
Exam 7: Intermolecular Forces and the Phases of Matter67 Questions
Exam 8: Chemical Reactions75 Questions
Exam 9: Stoichiometry and the Mole191 Questions
Exam 10: Electron Transfer in Chemical Reactions87 Questions
Exam 11: What If There Were No Intermolecular Forces the Ideal Gas80 Questions
Exam 12: Solutions92 Questions
Exam 13: When Reactants Turn Into Products79 Questions
Exam 14: Chemical Equilibrium94 Questions
Exam 15: Electrolytes, Acids, and Bases94 Questions
Exam 16: Nuclear Chemistry84 Questions
Exam 17: The Chemistry of Carbon71 Questions
Exam 18: Synthetic and Biological Polymers47 Questions
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Match the scientist with his contribution from the list below.
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Classify each of the following as ground state, excited state, or impossible electronic configurations.
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Predict the formula of the compound produced in a reaction between lithium (Li)and phosphorus (P).
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The wavelengths in infrared radiation are larger than those of the ultraviolet region.
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Modern atomic theory places electrons into complex mathematical probability functions called "orbitals."
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Modern scientists accept the notion that electrons are found in circular orbits around a central, positively charged nucleus.
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What is the wavelength (in meters)of radio waves that have a frequency of 89.9 MHz? (wavelength × frequency = speed of light; speed of light = 3 × 108 meters/sec.)
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The p-block represents a region on the periodic table which is 6 elements in width.
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In a single atom, what is the maximum number of electrons that can have quantum number n=4?
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Calculate the energy in joules of microwave radiation of wavelength 12.7 centimeters. (E = hν, h = 6.63 × 10-34 J sec; speed of light = wavelength × ν, speed of light = 3 × 108 meters/sec.)
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What is the main difference between "classical physics" and "quantum physics"?
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The relative ratio of atoms in the binary compound AlxOy is ________.
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How many electrons can be "stored" in a completely filled p-block of elements?
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Blue visible light is of a higher frequency than red visible light.
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The n = 5 principal energy level can hold a maximum of 25 electrons.
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The frequency of infrared radiation that has a wavelength of 1.5 × 103 nm is 2.0 × 107 sec-1
(given: speed of light = 3.0 × 108 m/sec).
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Microwave is radiation of a lower energy than that of visible light.
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The number of electrons in the valence shell of an atom is equal to the group number for the representative elements.
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