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61) What is the general valence-electron ground-state electron configuration for neutral alkaline earth metals? A) ns1 B) ns2 C) 1s22s1 D) 1s22s2 62) What is the ground-state electron configuration of Co? A)  [Ar]3d9 B)  [Ar]4s13d8 C)  [Ar]4s23d7 D)  [Ar]4s24p64d1 63) What is the ground-state electron configuration of tellurium? A)  [Kr]54d105p4 B)  [Kr]5s25p65d8 C)  [Kr]5s25p4 D)  [Kr]4f144d105s25p4 64) Which element has the ground-state electron configuration [Xe]6s245d1? A).
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In the following drawings, shaded spheres represent cations and unshaded spheres represent anions.     129) Which drawing represents the ionic compound Mg3(PO4)2? A) drawing (a) B) drawing (b) C) drawing (c) D) drawing (d) 130) Which drawing represents the ionic compound Na2CO3? A) drawing (a) B) drawing (b) C) drawing (c) D) drawing (d) 131) Which drawing represents the ionic compound CaCl2? A).
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111) Which one of the following processes does not result in transmutation to another element? A) alpha emission B) beta emission C) electron capture D) gamma emission 112) Which of the following decay processes give a product nuclide whose atomic number is one less than the starting nuclide? A) alpha decay B) beta decay and positron decay C).
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    91) Which element, indicated by letter on the periodic table above, contains one f electron? A) A B) B C) C D) D 92) Which element, indicated by letter on the periodic table above, has the ground-state electron configuration [Ar]4s2 3d2? A) A B) B C) C D) D 93) Which period of elements, indicated by letter on the periodic.
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11) A quantized variable A) can be continuously varied. B) can only assume certain values. C) consists of photons. D) is extremely small. 12) Which of the following is not quantized? A) the charge on a monatomic ion B) the distance between two objects C) the population of the United States D) the static charge on a balloon rubbed.
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1.3   Short Answer Questions 1) The symbol for mercury is ________.  2) The element Se can be found in period ________ and group ________ of the periodic table. 3) Sodium is an example of an ________ metal that reacts with water to form hydrogen gas and an ________ solution. 4) Atoms of the.
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71) Calculate the energy change for the formation of MgBr2(s) from its elements in their standard states: A) -150.8 kJ/mol B) -286.0 kJ/mol C) -499.2 kJ/mol D) -5682 kJ/mol 72) Calculate the electron affinity for the formation of the hydride ion from the following information: A) -50.1 kJ/mol B) -70.1 kJ/mol C) -816 kJ/mol D) -1632 kJ/mol 73) Which chemical.
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4.1   Multiple Choice Questions 1) Covalent bonding is a A) gain of electrons. B) loss of electrons. C) transfer of electrons. D) sharing of electrons. 2) Which electrostatic forces hold atoms together in a molecule? A) electron-electron forces B) electron-nucleus forces C) nucleus-nucleus forces D) all three forces 3) At the equilibrium bond length A) the attractive forces holding the atoms together.
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11) What is the general valence-electron ground-state electron configuration for neutral alkaline earth metals? A) ns1 B) ns2 C) 1s22s1 D) 1s22s2 12) Which element has the ground-state electron configuration [Xe]6s2   4f7? A) Re B) Ir C) Eu D) Gd 13) How many valence electrons does a neutral polonium atom have? A) 2 B) 4 C) 6 D) 84 14) Of the following, which.
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51) Which element has the most favorable (most negative) electron affinity? A) B B) C C) Li D) N 52) Which element has the most favorable (most negative) electron affinity? A) Na B) Mg C) O D) Ne 53) Which element has the least favorable (least negative) electron affinity? A) B B) C C) N D) O 54) Which of these elements has the most.
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131) Tell the type of decay process occurring in the following nuclear reaction. A) α emission B) β emission C) γ emission D) electron capture or positron emission 132) Tell the type of decay process occurring in the following nuclear reaction. A) α emission B) β emission C) γ emission D) electron capture or positron emission 133) Tell the type.
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91) The ion NO2- is named A) nitrate ion. B) nitrite ion. C) nitrogen dioxide ion. D) nitrogen(II) oxide ion. 92) The ions ClO4-, ClO3-, ClO2-, and ClO- are named respectively A) hypochlorate, chlorate, chlorite, perchlorite. B) hypochlorite, chlorite, chlorate, perchlorate. C) perchlorate, chlorate, chlorite, hypochlorite. D) perchlorite, chlorite, chlorate, hypochlorate. 93) What is the chemical formula for strontium hydroxide? A).
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101) The nuclear decay process that involves the particle having the greatest mass is ________ emission. A) alpha B) beta C) gamma D) positron 102) A beta particle is A) e. B) e. C) p. D) He. 103) When a substance decays by beta emission, the mass number of the nucleus ________ and the atomic number ________. A) decreases by 1,.
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2.3   Short Answer Questions 1) Compared to ultraviolet radiation, infrared radiation occurs at ________ wavelengths, ________ frequencies, and ________ energies. 2) The visible region of the electromagnetic radiation spectrum extends from ________ nm to ________ nm. 3) Light behaves as if it were a stream of small particles, called ________, each having an.
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101) Which of the following statements is incorrect about the alkaline earth metals? A) Melting points generally decrease as one descends the group. B) Densities are less than those of the corresponding alkali elements of the same period. C) Ionic radii of the M2+ ion increases as one descends the group. D) The first.
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101) Which orbital-filling diagram violates Hund's rule? A) B) C) D) 102) Which orbital-filling diagram represents the ground state of oxygen? A) B) C) D) 103) Which orbital-filling diagram represents the ground state of vanadium? A) B) C) D) 104) Which orbital-filling diagram represents the anomalous ground state of chromium? A) B) C) D).
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The following four spheres represent a metal atom, a nonmetal atom, a monatomic anion and a monatomic cation, not necessarily in that order.     140) In the reaction shown, which sphere most likely represents the metal atom? A) A B) B C) C D) D 141) In the reaction shown, which sphere most likely represents the.
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41) Which of the following is true?  The probability density A) for all s orbitals is independent of direction from the nucleus. B) for all s orbitals is independent of distance from the nucleus. C) is independent of direction from the nucleus for 1s orbitals only. D) is independent of distance from the nucleus.
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    80) Which of the above fourth-shell orbitals is a 4pz orbital? A) orbital (a) B) orbital (b) C) orbital (c) D) orbital (d) 81) Which of the above fourth-shell orbitals is a 4py orbital? A) orbital (a) B) orbital (b) C) orbital (c) D) orbital (d) 82) Which of the above fourth-shell orbitals is a 4dx2-y2 orbital? A) orbital (a) B) orbital.
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2.1   Multiple Choice Questions 1) Arrange the following spectral regions in order of increasing wavelength: infrared, microwave, ultraviolet, visible. A) microwave < infrared < visible < ultraviolet B) microwave < visible < infrared < ultraviolet C) ultraviolet < infrared < visible < microwave D) ultraviolet < visible < infrared < microwave 2) The greater the energy.
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11) When melting S8 ________ forces must be overcome and S8 is expected to have a ________ melting point than MgS. A) covalent bonding, higher B) covalent bonding, lower C) intermolecular, higher D) intermolecular, lower 12) Of the following elements, which has the highest electronegativity? A) P B) S C) Sc D) As 13) Of the following elements, which has.
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121) Which of the following drawings depicts a chemical reaction consistent with Dalton's atomic theory? A) drawing a) B) drawing b) C) drawing c) D) drawing d) 122) If shaded and unshaded spheres represent atoms of different elements, as shown in drawing (1), which drawings (2)-(4) represent the law of multiple proportions? A) only drawings (2).
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3.2   Algorithmic Questions 1) Which of the following is the correct chemical formula for a molecule of astatine? A) At B) At- C) At+ D) At2 2) Which one of the following compounds contains ionic bonds? A) SrO B) HBr C) PBr3 D) SiO2 3) What type of bonding is found in the compound OF2? A) covalent bonding B) hydrogen bonding C) ionic bonding D).
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3.3   Short Answer Questions 1) The bonding in MgO is ________, whereas the bonding in CO is ________. 2) Using shorthand notation, the ground-state electron configuration for Sr2+ is predicted to be ________. 3) Using shorthand notation, the ground-state electron configuration for C4– is predicted to be ________. 4) The ionic radius of Cs+.
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1.2   Algorithmic Questions 1) What is the chemical symbol for antimony? A) At B) Sb C) Sn D) Am 2) What is the chemical symbol for manganese? A) Hg B) Mg C) Mn D) Na 3) What is the chemical symbol for platinum? A) P B) Pa C) Pt D) Pu 4) Which element has the chemical symbol, P? A) lead B) phosphorus C) platinum D) potassium 5) Which element has.
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      121) Which of the above pictures best represents a solid ionic compound? A) picture (a) B) picture (b) C) picture (c) D) picture (d) 122) Which of the above pictures best represents a gaseous covalent compound? A) picture (a) B) picture (b) C) picture (c) D) picture (d)     123) Which of the above pictures are more likely to represent ionic.
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