Chemistry The Central Science 10th Edition By brown - Test Bank

Chemistry The Central Science 10th Edition By brown – Test Bank

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ExamName___________________________________MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.1)Which of the following elements has a ground-state electron configuration different from thepredicted one?1)A)CaB)XeC)TiD)ClE)CuAnswer:EExplanation:A)B)C)D)E)2)Which one of the following is correct?2)A)Α÷Ώ=cB)Ώ=cΑC)Α=cΏD)ΑΏ=cE)Α+Ώ=cAnswer:DExplanation:A)B)C)D)E)3)In the Bohr model of the atom, __________.3)A)electron paths are controlled by probabilityB)electrons travel in circular paths called orbitalsC)electrons can have any energyD)electron energies are quantizedE)both A and CAnswer:DExplanation:A)B)C)D)E)4)An electron cannot have the quantum numbers n=__________, l=__________,ml=__________.4)A)3, 2,-2B)3, 2, 1C)1, 0, 0D)6, 1, 0E)3, 2, 3Answer:EExplanation:A)B)C)D)E)1
5)Which of the subshells below donotexist due to the constraints upon the azimuthal quantumnumber?5)A)2dB)2pC)2sD)all of the aboveE)none of the aboveAnswer:AExplanation:A)B)C)D)E)6)Which one of the following is not a valid value for the magnetic quantum number of an electron ina 5d subshell?6)A)2B)3C)1D)-1E)0Answer:BExplanation:A)B)C)D)E)7)In apxorbital, the subscript x denotes the __________ of the electron.7)A)axis along which the orbital is alignedB)probability of the shellC)energyD)size of the orbitalE)spin of the electronsAnswer:AExplanation:A)B)C)D)E)8)The __________ orbital is degenerate with5pyin a many-electron atom.8)A)5pxB)5dxyC)5sD)4pyE)5d2Answer:AExplanation:A)B)C)D)E)2
9)Electromagnetic radiation with a wavelength of640nm appears asorangelight to the human eye.The energy of one photon of this light is __________ J.9)A)1.272×10-22B)3.220×1018C)1.272×10-31D)3.106×10-19E)3.106×10-28Answer:DExplanation:A)B)C)D)E)10)Which one of the following is the correct electron configuration for a ground-state nitrogen atom?10)A)B)C)D)E)None of the above is correct.Answer:AExplanation:A)B)C)D)E)3
11)The condensed electron configuration ofkrypton, element36, is __________.11)A)[Kr]4s43d8B)[Ar]4s43d4C)[Ar]4s4D)[Ar]3d104s24p6E)[Kr]4s23d8Answer:DExplanation:A)B)C)D)E)12)Which of the following is not a valid set of four quantum numbers? (n, l,ml,ms)12)A)1, 1, 0,+1/2B)1, 0, 0,+1/2C)2, 1, 0,-1/2D)3, 1,-1,-1/2E)2, 0, 0,+1/2Answer:AExplanation:A)B)C)D)E)13)Which one of the quantum numbers does not result from the solution of the Schroedingerequation?13)A)angular momentumB)principalC)spinD)azimuthalE)magneticAnswer:CExplanation:A)B)C)D)E)4
14)Low-frequency electromagnetic fields with potential biological effects have frequencies of__________ Hz.14)A)400-700B)10-3-10-5C)1-1000D)10-5-10-9E)100-10,000Answer:CExplanation:A)B)C)D)E)15)The condensed electron configuration ofsilicon, element14, is __________.15)A)[Ne]2p10B)[He]2s4C)[He]2s42p6D)[He]2s62p2E)[Ne]3s23p2Answer:EExplanation:A)B)C)D)E)16)All of the orbitals in a given subshell have the same value of the __________ quantum number.16)A)magneticB)azimuthalC)principalD)A and BE)B and CAnswer:DExplanation:A)B)C)D)E)17)Which one of the following is an incorrect orbital notation?17)A)3pyB)4sC)4dxyD)3fE)2sAnswer:DExplanation:A)B)C)D)E)5
18)Which electron configuration denotes an atom in its ground state?18)A)B)C)D)E)Answer:DExplanation:A)B)C)D)E)19)At maximum, an f-subshell can hold __________ electrons, a d-subshell can hold __________electrons, and a p-subshell can hold __________ electrons.19)A)14, 10, 6B)14, 8, 2C)2, 8, 18D)2, 6, 10E)2, 12, 21Answer:AExplanation:A)B)C)D)E)6
20)Which electron configuration represents a violation of the Pauli exclusion principle?20)A)B)C)D)E)Answer:CExplanation:A)B)C)D)E)21)Which two elements have the same ground-state electron configuration?21)A)Fe and CuB)Cu and AgC)Pd and PtD)Cl and ArE)No two elements have the same ground-state electron configuration.Answer:EExplanation:A)B)C)D)E)7
22)Which one of the following configurations depicts an excited oxygen atom?22)A)1s22s22p2B)1s22s22p23s2C)[He]2s22p4D)1s22s22p4E)1s22s22p1Answer:BExplanation:A)B)C)D)E)23)Which electron configuration represents a violation of the Pauli exclusion principle?23)A)B)C)D)E)Answer:AExplanation:A)B)C)D)E)8
24)The ground-state electron configuration of the element __________ is [Kr]5s14d5.24)A)CrB)TcC)NbD)MnE)MoAnswer:EExplanation:A)B)C)D)E)25)Which one of the following configurations depicts an excited carbon atom?25)A)1s22s22p3B)1s22s22p1C)1s22s23s1D)1s22s22p13s1E)1s22s22p2Answer:DExplanation:A)B)C)D)E)26)An electron cannot have the quantum numbers n=__________, l=__________,ml=__________.26)A)1, 1, 1B)2, 0, 0C)3, 1,-1D)2, 1,-1E)3, 2, 1Answer:AExplanation:A)B)C)D)E)27)Which one of the following represents an acceptable set of quantum numbers for an electron in anatom? (arranged as n, l,ml, andms)27)A)3, 3, 3,-1/2B)5, 4,-5, 1/2C)2, 2,-1,-1/2D)1, 0, 0, 1/2E)3, 3, 3, 1/2Answer:DExplanation:A)B)C)D)E)9
28)Which one of the following is an incorrect subshell notation?28)A)2dB)4fC)2pD)3sE)3dAnswer:AExplanation:A)B)C)D)E)29)Electromagnetic radiation with a wavelength of531nm appears asgreenlight to the human eye.The energy of one photon of this light is3.74×10-19J. Thus, a laser that emits1.3×10-2Jof energyin a pulse of light at this wavelength produces __________ photons in each pulse.29)A)9.2×10-24B)2.9×10-17C)6.5×1013D)1.8×1019E)3.5×1016Answer:EExplanation:A)B)C)D)E)30)The complete electron configuration ofgallium, element31, is __________.30)A)1s42s42p83s43p84s3B)1s42s42p63s43p64s43d3C)1s22s22p103s23p104s23d3D)1s42s42p103s43p9E)1s22s22p63s23p63d104s24p1Answer:EExplanation:A)B)C)D)E)31)In which orbital does an electron in a phosphorus atom experience the greatest effective nuclearcharge?31)A)1sB)2sC)2pD)3sE)3pAnswer:AExplanation:A)B)C)D)E)10
32)The valence shell of the element X contains 2 electrons in a 5s subshell. Below that shell, element Xhas a partially filled 4d subshell. What type of element is X?32)A)alkali metalB)chalcogenC)transition metalD)halogenE)main group elementAnswer:CExplanation:A)B)C)D)E)33)Electromagnetic radiation with a wavelength of525nm appears asgreenlight to the human eye.The frequency of this light is __________s-1.33)A)5.71×105B)1.58×102C)1.58×1011D)5.71×1014E)1.75×10-15Answer:DExplanation:A)B)C)D)E)34)Which quantum number determines the energy of an electron in a hydrogen atom?34)A)mlB)nC)ED)lE)n and lAnswer:BExplanation:A)B)C)D)E)35)How many different principal quantum numbers can be found in the ground state electronconfiguration of nickel?35)A)2B)3C)4D)5E)6Answer:CExplanation:A)B)C)D)E)11
36)Which of the following is a valid set of four quantum numbers? (n, l,ml,ms)36)A)1, 0, 1,+1/2B)1, 1, 0,-1/2C)2, 2, 1,-1/2D)2, 1,+2,+1/2E)2, 1, 0,+1/2Answer:EExplanation:A)B)C)D)E)37)Which electron configuration represents a violation of Hund’s rule for an atom in its ground state?37)A)B)C)D)E)Answer:DExplanation:A)B)C)D)E)12
38)Which of the subshells below donotexist due to the constraints upon the azimuthal quantumnumber?38)A)4fB)4pC)4dD)4sE)none of the aboveAnswer:EExplanation:A)B)C)D)E)39)The de Broglie wavelength of a __________ will have the shortest wavelength when traveling at 30cm/s.39)A)marbleB)uranium atomC)planetD)carE)hydrogen atomAnswer:CExplanation:A)B)C)D)E)40)Which set of three quantum numbers (n, l,ml) corresponds to a 3d orbital?40)A)2, 3, 3B)3, 2, 3C)3, 2, 2D)2, 1, 0E)3, 3, 2Answer:CExplanation:A)B)C)D)E)41)All of the orbitals in a given electron shell have the same value of the __________ quantum number.41)A)azimuthalB)psiC)magneticD)principalE)spinAnswer:DExplanation:A)B)C)D)E)13
42)The complete electron configuration ofargon, element18, is __________.42)A)1s22s22p103s23p2B)1s42s42p10C)1s62s62p23s4D)1s22s22p63s23p6E)1s42s42p63s4Answer:DExplanation:A)B)C)D)E)43)Which one of the following represents an impossible set of quantum numbers for an electron in anatom? (arranged as n, l,ml, andms)43)A)5, 4,-3, 1/2B)5, 4,-3,-1/2C)3, 3, 3, 1/2D)1, 0, 0, 1/2E)2, 1,-1,-1/2Answer:CExplanation:A)B)C)D)E)44)The ground-state electron configuration of __________ is [Ar]4s13d5.44)A)FeB)KC)VD)MnE)CrAnswer:EExplanation:A)B)C)D)E)45)Which one of the following orbitals can hold two electrons?45)A)3sB)4dxyC)2pxD)all of the aboveE)none of the aboveAnswer:DExplanation:A)B)C)D)E)14
46)The uncertainty principle states that __________.46)A)it is impossible to know how many electrons there are in an atomB)it is impossible to know the exact position and momentum of an electronC)it is impossible to know anything with certaintyD)matter and energy are really the same thingE)there can only be one uncertain digit in a reported numberAnswer:BExplanation:A)B)C)D)E)47)Which electron configuration represents a violation of Hund’s rule for an atom in its ground state?47)A)B)C)D)E)Answer:AExplanation:A)B)C)D)E)15
48)Which one of the following represents an acceptable possible set of quantum numbers (in the ordern, l,ml,ms) for an electron in an atom?48)A)2, 0, 1,-1/2B)2, 1,-1, 1/2C)2, 2, 0, 1/2D)2, 1, 0, 0E)2, 0, 2,+1/2Answer:BExplanation:A)B)C)D)E)49)The wavelength of an electron with a velocity of6.00×106m/s is __________ m. The mass of theelectron is 9.11×10-28g.49)A)8.25×1012B)8.25×109C)1.21×10-13D)1.21×10-16E)1.21×10-10Answer:EExplanation:A)B)C)D)E)50)According to the Heisenberg Uncertainty Principle, it is impossible to know precisely both theposition and the __________ of an electron.50)A)velocityB)colorC)massD)shapeE)momentumAnswer:EExplanation:A)B)C)D)E)16
51)An FM radio station broadcasts electromagnetic radiation at a frequency of100.6MHz. Thewavelength of this radiation is __________ m.51)A)3.018×1016B)2.982×106C)2.982D)0.3353E)3.018×1010Answer:CExplanation:A)B)C)D)E)52)The ground state electron configuration of Fe is __________.52)A)1s22s23s23p10B)1s22s22p63s23p64s2C)1s22s22p63s23p63d64s2D)1s22s23s23p63d6E)1s22s22p63s23p64s24d6Answer:CExplanation:A)B)C)D)E)53)Which quantum numbers must be the same for the orbitals that they designate to be degenerate ina many-electron system?53)A)n, l, andmlB)n onlyC)n, l,ml, andmsD)n and l onlyE)msonlyAnswer:DExplanation:A)B)C)D)E)17
54)The ground state electron configuration of Ga is __________.54)A)1s22s23s23p63d104s24p1B)1s22s22p63s23p63d104s24d1C)1s22s22p63s23p63d104s24p1D)[Ar]4s23d11E)1s22s22p63s23p64s24d104p1Answer:CExplanation:A)B)C)D)E)55)Which electron configuration represents a violation of the Pauli exclusion principle?55)A)B)C)D)E)Answer:AExplanation:A)B)C)D)E)18
56)Which electron configuration represents a violation of Hund’s rule for an atom in its ground state?56)A)B)C)D)E)Answer:BExplanation:A)B)C)D)E)57)The element that corresponds to the electron configuration1s22s22p6is __________.57)A)berylliumB)neonC)magnesiumD)sodiumE)lithiumAnswer:BExplanation:A)B)C)D)E)19
58)The photoelectric effect is __________.58)A)the darkening of photographic film when exposed to an electric fieldB)the total reflection of light by metals giving them their typical lusterC)the ejection of electrons by a metal when struck with light of sufficient energyD)the production of current by silicon solar cells when exposed to sunlightE)a relativistic effectAnswer:CExplanation:A)B)C)D)E)59)Which quantum numbers must be the same for the orbitals that they designate to be degenerate ina one-electron system (such as hydrogen)?59)A)n, l, andmlB)l andmlC)n onlyD)mlonlyE)n and l onlyAnswer:CExplanation:A)B)C)D)E)SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question.60)The ground state electron configuration of scandium is __________.60)Answer:[Ar] 4s23d1Explanation:61)The ground state electron configuration of copper is __________.61)Answer:[Ar]3d104s1Explanation:62)”The largest principal quantum number in the ground state electron configuration offrancium is __________ ?62)Answer:7Explanation:63)Elements in group __________ have a np5electron configuration in the outer shell.63)Answer:7AExplanation:64)What wavelengths correspond to the visible region of the electromagnetic spectrum?64)Answer:About 400 to 700 nm.Explanation:20
65)The shape of an orbital is defined by the azimuthal quantum number which is representedas letter __________65)Answer:lExplanation:66)The electron configuration of the valence electrons of an atom in its ground state is ns2np3.` This atom is a group __________ element.66)Answer:5AExplanation:67)All of the subshells in a given shell have the same energy in the hydrogen atom. In amany-electron atom, the subshells in a given shell do not have the same energy. Why?67)Answer:Hydrogen atoms have only one electron. Therefore, in a hydrogen atom, the energyof orbitals depends only onn. In many-electron atoms, electron-electron repulsioncauses the energies of subshells in a given shell to differ.Explanation:MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.68)The ground state electron configuration for Zn is __________.68)A)[Kr]4s23d10B)[Kr]3s23d10C)[Ar]4s23d10D)[Ar]4s13d10E)[Ar]3s23d10Answer:CExplanation:A)B)C)D)E)69)Which one of the following is considered to be ionizing radiation __________?69)A)radio wavesB)X-raysC)infrared radiationD)microwavesE)visible lightAnswer:BExplanation:A)B)C)D)E)21
70)The largest principal quantum number in the ground state electron configuration of cobalt is__________.70)A)2B)3C)4D)7E)9Answer:CExplanation:A)B)C)D)E)71)The frequency of electromagnetic radiation required to promote an electron from n=2 to n=4 in aBohr hydrogen atom is __________ Hz.71)A)6.2×1014B)4.1×10-19C)8.2×1014D)4.1×1019E)5.4×10-19Answer:AExplanation:A)B)C)D)E)72)The energy (J) required for an electronic transition in a Bohr hydrogen atom from n=2 to n=3 is__________ J.72)A)3.0×10-19B)-3.0×10-19C)-7.9×10-19D)4.6×1014E)4.0×10-19Answer:AExplanation:A)B)C)D)E)22
73)Electromagnetic radiation travels through vacuum at a speed of __________ m/s.73)A)186,000B)3.00×108C)10,000D)125E)It depends on wavelength.Answer:BExplanation:A)B)C)D)E)74)Of the following, __________ radiation has the shortest wavelength and __________ radiation hasthe greatest energy.gamma ultraviolet visible74)A)visible, gammaB)visible, ultravioletC)gamma, gammaD)ultraviolet, gammaE)gamma, visibleAnswer:CExplanation:A)B)C)D)E)75)The n=8 to n=4 transition in the Bohr hydrogen atom occurs in the __________ region of theelectromagnetic spectrum.75)A)infraredB)X-rayC)ultravioletD)visibleE)microwaveAnswer:AExplanation:A)B)C)D)E)23
76)What is the frequency of light (s-1) that has a wavelength of 3.12×10-3cm __________?76)A)1.04×10-13B)4.10×10-17C)9.62×1012D)2.44×1016E)3.69Answer:CExplanation:A)B)C)D)E)77)The frequency of a photon that has an energy of 3.7×10-18J is __________s-1.77)A)5.6×1015B)1.8×10-16C)2.5×1015D)5.4×10-8E)2.5×10-15Answer:AExplanation:A)B)C)D)E)78)The de Broglie wavelength of a bullet (7.5g) traveling at 700 m/s is __________ m.78)A)7.7×1033B)1.3×10-23C)1.3×10-34D)6.2×10-29E)1.3×10-27Answer:CExplanation:A)B)C)D)E)24
79)The energy of a photon that has a wavelength of 9.0 m is __________ J.79)A)6.0×10-23B)2.2×10-26C)4.5×10-25D)2.7×109E)4.5×1025Answer:BExplanation:A)B)C)D)E)80)The __________ subshell contains only one orbital.80)A)3dB)5dC)4sD)1pE)6fAnswer:CExplanation:A)B)C)D)E)81)The elements in the __________ period of the periodic table have a core-electron configuration thatis the same as the electron configuration of neon.81)A)firstB)secondC)thirdD)fourthE)fifthAnswer:CExplanation:A)B)C)D)E)82)The wavelength of an electron whose velocity is 1.7×104m/s and whose mass is 9.1×10-28g is__________ m.82)A)4.3×10-8B)12C)2.3×107D)4.3×10-11E)2.3×10-7Answer:AExplanation:A)B)C)D)E)25
83)What is the wavelength of light (nm) that has a frequency 4.62×1014s-1__________?83)A)1.39×1023B)932C)649D)1.07×106E)1.54×10-3Answer:CExplanation:A)B)C)D)E)84)In which orbital does an electron in a phosphorus atom experience the greatest shielding__________ ?84)A)3pB)2pC)1sD)2sE)3sAnswer:AExplanation:A)B)C)D)E)85)The energy of a photon that has a wavelength of 13.2 nm is __________ J.85)A)1.51×10-17B)4.42×10-23C)9.55×10-25D)1.62×10-17E)1.99×10-25Answer:AExplanation:A)B)C)D)E)86)The second shell in the ground state of atomic argon contains __________ electrons.86)A)2B)6C)8D)18E)36Answer:CExplanation:A)B)C)D)E)26
87)There are __________ orbitals in the second shell.87)A)1B)2C)4D)8E)9Answer:CExplanation:A)B)C)D)E)88)The n=1 shell contains __________ p orbitals. All the other shells contain __________ p orbitals.88)A)6, 2B)3, 3C)0, 6D)0, 3E)3, 6Answer:DExplanation:A)B)C)D)E)89)The n=5 to n=3 transition in the Bohr hydrogen atom corresponds to the __________ of a photonwith a wavelength of __________ nm.89)A)emission, 657B)emission, 389C)emission, 1280D)absorption, 1280E)absorption, 657Answer:CExplanation:A)B)C)D)E)90)The n=2 to n=6 transition in the Bohr hydrogen atom corresponds to the __________ of a photonwith a wavelength of __________ nm.90)A)emission, 411B)absorption, 657C)absorption, 411D)emission, 93.8E)emission, 389Answer:CExplanation:A)B)C)D)E)27
91)When the electron in a hydrogen atom moves from n=6 to n=2, light with a wavelength of__________ nm is emitted.91)A)487B)434C)657D)93.8E)411Answer:EExplanation:A)B)C)D)E)92)There are __________ unpaired electrons in a ground state fluorine atom.92)A)0B)1C)2D)3E)4Answer:BExplanation:A)B)C)D)E)93)The total number of orbitals in a shell is given by __________.93)A)n2B)2l+1C)I2D)2n+1E)2nAnswer:AExplanation:A)B)C)D)E)94)Each p-subshell can accommodate a maximum of __________ electrons.94)A)2B)10C)5D)6E)3Answer:DExplanation:A)B)C)D)E)28
95)Of the following, __________ radiation has the longest wavelength and __________ radiation hasthe greatest energy.gamma ultraviolet visible95)A)gamma, gammaB)visible, ultravioletC)ultraviolet, gammaD)gamma, visibleE)visible, gammaAnswer:EExplanation:A)B)C)D)E)96)The 4d subshell in the ground state of atomic xenon contains __________ electrons.96)A)2B)6C)8D)10E)36Answer:DExplanation:A)B)C)D)E)97)A tin atom has 50 electrons. Electrons in the __________ subshell experience the lowest effectivenuclear charge.97)A)3dB)3pC)5pD)1sE)5sAnswer:CExplanation:A)B)C)D)E)98)At what speed (m/s) must a 3.0 mg object be moving in order to have a de Broglie wavelength of 5.4×10-29m?98)A)4.1B)3.9×10-4C)1.6×10-28D)2.0×1012E)6.3Answer:AExplanation:A)B)C)D)E)29
99)The energy of a photon that has a frequency of 18.21×1015s-1is __________ J.99)A)3.49×10-48B)1.99×10-25C)5.44×10-18D)1.21×10-17E)5.44×10-18Answer:DExplanation:A)B)C)D)E)100)The de Broglie wavelength of an electron is 8.7×10-11m. The mass of an electron is 9.1×10-31kg.The velocity of this electron is __________ m/s.100)A)8.4×106B)8.4×103C)6.9×10-5D)1.2×10-7E)8.4×10-3Answer:AExplanation:A)B)C)D)E)101)How many quantum numbers are necessary to designate a particular electron in an atom__________?101)A)3B)1C)4D)5E)2Answer:CExplanation:A)B)C)D)E)102)The principal quantum number of the first d subshell is __________.102)A)1B)2C)3D)4E)0Answer:CExplanation:A)B)C)D)E)30
103)A mole of yellow photons of wavelength 527 nm has __________ kJ of energy.103)A)165B)227C)2.74×10-19D)6.05×10-3E)4.56×10-46Answer:BExplanation:A)B)C)D)E)104)It takes 254 kJ/mol to eject electrons from a certain metal surface. What is the longest wavelength oflight (nm) that can be used to eject electrons from the surface of this metal via the photoelectriceffect __________ ?104)A)233B)472C)165D)552E)725Answer:BExplanation:A)B)C)D)E)105)Of the following transitions in the Bohr hydrogen atom, the __________ transition results in theemission of the highest-energy photon.105)A)n=6n=3B)n=1n=6C)n=3n=6D)n=6n=1E)n=1n=4Answer:DExplanation:A)B)C)D)E)106)When the electron in a hydrogen atom moves from n=8 to n=2 light with a wavelength of__________ nm is emitted.106)A)657B)389C)487D)93.8E)411Answer:BExplanation:A)B)C)D)E)31
107)[Ar]4s23d104p3is the electron configuration of a(n) __________ atom.107)A)SnB)SbC)PD)VE)AsAnswer:EExplanation:A)B)C)D)E)108)The 3p subshell in the ground state of atomic xenon contains __________ electrons.108)A)2B)6C)8D)10E)36Answer:BExplanation:A)B)C)D)E)109)What is the frequency (s-1) of electromagnetic radiation that has a wavelength of 0.53 m__________?109)A)1.6×108B)1.3×1033C)5.7×108D)1.8×10-9E)1.3×10-33Answer:CExplanation:A)B)C)D)E)110)The deBroglie wavelength of a particle is given by __________.110)A)h/mvB)h+mvC)mvD)mv/cE)hmvAnswer:AExplanation:A)B)C)D)E)111)An electron in a(n) __________ subshell experiences the greatest effective nuclear charge in amany-electron atom.111)A)4sB)3pC)3fD)3sE)3dAnswer:DExplanation:A)B)C)D)E)32
112)The largest principal quantum number in the ground state electron configuration of iodine is__________.112)A)1B)4C)5D)6E)7Answer:CExplanation:A)B)C)D)E)113)The de Broglie wavelength of a car (1.0×103kg) traveling at 75 km/hr is __________ m.113)A)8.8×10-39B)3.2×10-35C)1.4×10-35D)1.4×1035E)3.2×10-38Answer:EExplanation:A)B)C)D)E)114)What color of visible light has the highest energy?114)A)violetB)yellowC)blueD)redE)greenAnswer:AExplanation:A)B)C)D)E)115)The energy of a photon that has a frequency of 8.21×1015s-1is __________ J.115)A)1.99×10-25B)1.26×10-19C)8.08×10-50D)5.44×10-18E)1.24×1049Answer:DExplanation:A)B)C)D)E)33
116)The __________ quantum number defines the shape of an orbital.116)A)principalB)azimuthalC)psiD)magneticE)spinAnswer:BExplanation:A)B)C)D)E)117)All of the __________ have a valence shell electron configurationns1.117)A)alkali metalsB)noble gasesC)halogensD)chalcogensE)alkaline earth metalsAnswer:AExplanation:A)B)C)D)E)118)Using Bohr’s equation for the energy levels of the electron in the hydrogen atom, determine theenergy (J)of an electron in the n=4 level. __________ .118)A)+1.84×10-29B)-7.34×1018C)-1.36×10-19D)-5.45×10-19E)-1.84×10-29Answer:CExplanation:A)B)C)D)E)119)What is the frequency (s-1) of a photon that has an energy of 4.38×10-18J?119)A)1.45×10-16B)2.30×107C)1.31×10-9D)6.61×1015E)436Answer:DExplanation:A)B)C)D)E)34
120)What color of visible light has the longest wavelength __________ ?120)A)blueB)yellowC)violetD)redE)greenAnswer:DExplanation:A)B)C)D)E)121)There are __________ orbitals in the third shell.121)A)9B)16C)25D)4E)1Answer:AExplanation:A)B)C)D)E)122)The wavelength of a photon that has an energy of 5.25×10-19J is __________ m.122)A)3.79×107B)2.38×1023C)2.64×106D)3.79×10-7E)4.21×10-24Answer:DExplanation:A)B)C)D)E)123)When the electron in a hydrogen atom moves from n=6 to n=1, light with a wavelength of__________ nm is emitted.123)A)93.8B)657C)487D)411E)434Answer:AExplanation:A)B)C)D)E)124)The azimuthal quantum number for the outermost electrons in a nitrogen atom in the ground stateis __________.124)A)0B)1C)2D)3E)-1Answer:BExplanation:A)B)C)D)E)35
125)Of the following, __________ radiation has the shortest wavelength.125)A)infraredB)ultravioletC)microwaveD)X-rayE)radioAnswer:DExplanation:A)B)C)D)E)126)The energy of a photon of light is __________ proportional to its frequency and __________proportional to its wavelength.126)A)indirectly, notB)inversely, directlyC)directly, inverselyD)inversely, inverselyE)directly, directlyAnswer:CExplanation:A)B)C)D)E)127)In a hydrogen atom, an electron in a __________ orbital can absorb a photon, but cannot emit aphoton.127)A)3fB)3pC)1sD)2sE)3sAnswer:CExplanation:A)B)C)D)E)128)What is the frequency of light (s-1) that has a wavelength of 1.23×10-6cm __________?128)A)2.44×1016B)3.69C)9.62×1012D)1.04×10-13E)4.10×10-17Answer:AExplanation:A)B)C)D)E)36
129)The electron configuration of a ground-state Ag atom is __________.129)A)[Kr]5s23d9B)[Kr]5s14d10C)[Ar]4s24d9D)[Ar]4s14d10E)[Kr]5s24d10Answer:BExplanation:A)B)C)D)E)130)A __________ orbital is degenerate with a5dz2in a many-electron atom.130)A)4dzzB)5dxyC)5pzD)5sE)4dz2Answer:BExplanation:A)B)C)D)E)131)The wavelength of light that has a frequency of 1.20×1013s-1is __________ m.131)A)2.5B)2.50×10-5C)0.0400D)25.0E)12.0Answer:BExplanation:A)B)C)D)E)132)The largest principal quantum number in the ground state electron configuration of barium is__________.132)A)1B)2C)4D)5E)6Answer:EExplanation:A)B)C)D)E)37
133)There are __________ unpaired electrons in a ground state phosphorus atom.133)A)0B)1C)2D)3E)4Answer:DExplanation:A)B)C)D)E)134)What is the wavelength (angstroms) of a photon that has an energy of 4.38×10-18J __________ ?134)A)454B)6.89×1015C)2.30×107D)1.45×10-16E)1.31×10-9Answer:AExplanation:A)B)C)D)E)135)What is the de Broglie wavelength (m) of a 25 g object moving at a speed of 5.0 m/s?135)A)6.6×10-36B)3.32×10-36C)5.3×10-33D)1.9×1032E)3.02×1045Answer:CExplanation:A)B)C)D)E)136)Ham radio operators often broadcast on the 6-meter band. The frequency of this electromagneticradiation is __________ MHz.136)A)50B)20C)2.0D)200E)500Answer:AExplanation:A)B)C)D)E)38
137)A spectrum containing only specific wavelengths is called a __________ spectrum.137)A)RydbergB)invariantC)continuousD)lineE)visibleAnswer:DExplanation:A)B)C)D)E)138)Elements in group __________ have anp6electron configuration in the outer shell.138)A)7AB)6AC)5AD)4AE)8AAnswer:EExplanation:A)B)C)D)E)139)The energy of a photon that has a wavelength of 12.3 nm is __________ J.139)A)1.51×10-17B)4.42×10-23C)2.72×10-50D)1.99×10-25E)1.62×10-17Answer:EExplanation:A)B)C)D)E)140)The azimuthal quantum number is 3 in __________ orbitals.140)A)sB)fC)dD)pE)aAnswer:BExplanation:A)B)C)D)E)39
141)An electron in a Bohr hydrogen atom has an energy of-1.362×10-19J. The value of n for thiselectron is __________.141)A)1B)2C)3D)4E)5Answer:DExplanation:A)B)C)D)E)142)At what speed (m/s) must a 10 mg object be moving to have a de Broglie wavelength of 3.3×10-41m __________ ?142)A)4.1B)2.0×1012C)3.3×10-42D)1.9×10-11E)1.9×1013Answer:BExplanation:A)B)C)D)E)143)__________-orbitals are spherically symmetrical.143)A)dB)gC)fD)sE)pAnswer:DExplanation:A)B)C)D)E)144)A mole of red photons of wavelength 725 nm has __________ kJ of energy.144)A)4.56×10-46B)2.74×10-19C)6.05×10-3D)165E)227Answer:DExplanation:A)B)C)D)E)40
145)What is the de Broglie wavelength (m) of a 2.0 kg object moving at a speed of 50 m/s __________?145)A)3.8×1034B)5.3×10-33C)2.6×10-35D)6.6×10-36E)1.5×1035Answer:DExplanation:A)B)C)D)E)146)The principal quantum number for the outermost electrons in a Br atom in the ground state is__________.146)A)4B)5C)3D)1E)2Answer:AExplanation:A)B)C)D)E)147)What is the correct ground-state electron configuration for molybdenum __________?147)A)[Kr]5s24d9B)[Kr]5s24d5C)[Kr]5s14d10D)[Kr]5s24d4E)[Kr]5s14d5Answer:EExplanation:A)B)C)D)E)41
148)Calculate the energy (J) change associated with an electron transition from n=2 to n=5 in a Bohrhydrogen atom __________.148)A)6.5×10-19B)8.7×10-20C)4.6×10-19D)5.5×10-19E)5.8×10-53Answer:CExplanation:A)B)C)D)E)149)What is the wavelength of light (nm) that has a frequency of 3.22×1014s-1__________?149)A)649B)9.32×10-7C)9.66×1022D)932E)1.07×106Answer:DExplanation:A)B)C)D)E)150)The n=8 to n=2 transition in the Bohr hydrogen atom occurs in the __________ region of theelectromagnetic spectrum.150)A)X-rayB)infraredC)ultravioletD)microwaveE)radioAnswer:CExplanation:A)B)C)D)E)42
151)Which is the correct ground-state electron configuration for silver __________ ?151)A)[Xe]5s14d10B)[Kr]5s24d10C)[Kr]5s24d9D)[Kr]5s14d10E)[Xe]5s24d9Answer:DExplanation:A)B)C)D)E)152)How many p-orbitals are occupied in a Ne atom __________ ?152)A)3B)1C)6D)5E)2Answer:EExplanation:A)B)C)D)E)153)The lowest energy shell that contains f orbitals is the shell with n=__________.153)A)5B)4C)1D)3E)2Answer:BExplanation:A)B)C)D)E)154)How many p-orbitals are occupied in a Ne atom __________?154)A)1B)3C)0D)2E)6Answer:BExplanation:A)B)C)D)E)155)Which group in the periodic table contains elements with the valence electron configuration ofns2np1__________?155)A)1AB)2AC)3AD)4AE)8AAnswer:CExplanation:A)B)C)D)E)43
156)In a ground-state manganese atoms, the __________ subshell is partially filled.156)A)4sB)4dC)3dD)3sE)4pAnswer:CExplanation:A)B)C)D)E)TRUE/FALSE. Write ‘T’ if the statement is true and ‘F’ if the statement is false.157)If a hydrogen atom electron jumps from the n=6 orbit to the n=2 orbit, energy is released.157)Answer:TrueFalseExplanation:158)The square of Schrodinger’s wave equation is called an orbital.158)Answer:TrueFalseExplanation:159)The electron density of the 2s orbital is asymmetric.159)Answer:TrueFalseExplanation:160)Black body radiation is the emission of light from metal surfaces.160)Answer:TrueFalseExplanation:161)The wavelength of radio waves can be longer than a football field.161)Answer:TrueFalseExplanation:44
Answer KeyTestname: C61)E2)D3)D4)E5)A6)B7)A8)A9)D10)A11)D12)A13)C14)C15)E16)D17)D18)D19)A20)C21)E22)B23)A24)E25)D26)A27)D28)A29)E30)E31)A32)C33)D34)B35)C36)E37)D38)E39)C40)C41)D42)D43)C44)E45)D46)B47)A48)B49)E50)E45
Answer KeyTestname: C651)C52)C53)D54)C55)A56)B57)B58)C59)C60)[Ar] 4s23d161)[Ar]3d104s162)763)7A64)About 400 to 700 nm.65)l66)5A67)Hydrogen atoms have only one electron. Therefore, in a hydrogen atom, the energy of orbitals depends only onn. Inmany-electron atoms, electron-electron repulsion causes the energies of subshells in a given shell to differ.68)C69)B70)C71)A72)A73)B74)C75)A76)C77)A78)C79)B80)C81)C82)A83)C84)A85)A86)C87)C88)D89)C90)C91)E92)B93)A94)D95)E96)D97)C98)A46
Answer KeyTestname: C699)D100)A101)C102)C103)B104)B105)D106)B107)E108)B109)C110)A111)D112)C113)E114)A115)D116)B117)A118)C119)D120)D121)A122)D123)A124)B125)D126)C127)C128)A129)B130)B131)B132)E133)D134)A135)C136)A137)D138)E139)E140)B141)D142)B143)D144)D145)D146)A147)E148)C47
Answer KeyTestname: C6149)D150)C151)D152)E153)B154)B155)C156)C157)TRUE158)TRUE159)FALSE160)FALSE161)TRUE48