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1、7.1 Multiple-Choice and Bimodal Questions1) _ is credited with developing the concept of atomic numbers. A) Dmitri Mendeleev B) Lothar Meyer C) Henry Moseley D) Ernest Rutherford E) Michael Faraday Answer: C Diff: 1 Page Ref: Sec. 7.1 2) Elements in the modern version of the periodic table are arran
2、ged in order of increasing _. A) oxidation number B) atomic mass C) average atomic mass D) atomic number E) number of isotopes Answer: D Diff: 1 Page Ref: Sec. 7.1 3) An electron in a(n) _ subshell experiences the greatest effective nuclear charge in a many-electron atom. A) 3f B) 3p C) 3d D) 3s E)
3、4s Answer: D Diff: 1 Page Ref: Sec. 7.2 4) A tin atom has 50 electrons. Electrons in the _ subshell experience the lowest effective nuclear charge. A) 1s B) 3p C) 3d D) 5s E) 5p Answer: E Diff: 2 Page Ref: Sec. 7.2 5) In which orbital does an electron in a phosphorus atom experience the greatest shi
4、elding? A) 2p B) 3s C) 3p D) 3s E) 1s Answer: C Diff: 2 Page Ref: Sec. 7.2 6) The first ionization energies of the elements _ as you go from left to right across a period of the periodic table, and _ as you go from the bottom to the top of a group in the table. A) increase, increase B) increase, dec
5、rease C) decrease, increase D) decrease, decrease E) are completely unpredictable Answer: A Diff: 1 Page Ref: Sec. 7.3 7) The _ have the most negative electron affinities. A) alkaline earth metals B) alkali metals C) halogens D) transition metals E) chalcogens Answer: C Diff: 1 Page Ref: Sec. 7.4 8)
6、 In general, as you go across a period in the periodic table from left to right: (1) the atomic radius _; (2) the electron affinity becomes _ negative; and (3) the first ionization energy _. A) decreases, decreasingly, increases B) increases, increasingly, decreases C) increases, increasingly, incre
7、ases D) decreases, increasingly, increases E) decreases, increasingly, decreases Answer: D Diff: 2 Page Ref: Sec. 7.4 9) Element M reacts with chlorine to form a compound with the formula . Element M is more reactive than magnesium and has a smaller radius than barium. This element is _. A) Sr B) K
8、C) Na D) Ra E) Be Answer: A Diff: 2 Page Ref: Sec. 7.5 10) The oxide of which element below can react with hydrochloric acid? A) sulfur B) selenium C) nitrogen D) sodium E) carbon Answer: D Diff: 1 Page Ref: Sec. 7.5 11) Metals can be _ at room temperature. A) liquid only B) solid only C) solid or l
9、iquid D) solid, liquid, or gas E) liquid or gas Answer: C Diff: 1 Page Ref: Sec. 7.5 12) Most of the elements on the periodic table are _. A) gases B) nonmetals C) metalloids D) liquids E) metals Answer: E Diff: 1 Page Ref: Sec. 7.6 13) Na reacts with element X to form an ionic compound with the for
10、mula . Ca will react with X to form _. A) B) CaX C) D) E) Answer: D Diff: 1 Page Ref: Sec. 7.6 14) What is the coefficient of M when the following equation is completed and balanced if M is an alkali metal? A) 1 B) 2 C) 3 D) 4 E) 0 Answer: B Diff: 1 Page Ref: Sec. 7.6 15) The substance _ is always p
11、roduced when an active metal reacts with water. A) NaOH B) C) D) E) Answer: D Diff: 1 Page Ref: Sec. 7.6 16) Which alkaline earth metal will not react with liquid water or with steam? A) Be B) Mg C) Ca D) Ba E) They all react with liquid water and with steam. Answer: A Diff: 2 Page Ref: Sec. 7.6 17)
12、 Oxides of the active metals combine with water to form _. A) metal hydroxides B) metal hydrides C) hydrogen gas D) oxygen gas E) water and a salt Answer: A Diff: 1 Page Ref: Sec. 7.6 18) Oxides of the active metals combine with acid to form _. A) hydrogen gas B) metal hydrides C) water and a salt D
13、) oxygen gas E) metal hydroxides Answer: C Diff: 1 Page Ref: Sec. 7.6 19) Oxides of most nonmetals combine with water to form _. A) an acid B) a base C) water and a salt D) water E) hydrogen gas Answer: A Diff: 1 Page Ref: Sec. 7.6 20) Oxides of most nonmetals combine with base to form _. A) hydroge
14、n gas B) an acid C) a base D) water E) water and a salt Answer: E Diff: 1 Page Ref: Sec. 7.6 21) An alkaline earth metal forms a compound with oxygen with the formula _. (The symbol M represents any one of the alkaline earth metals.) A) MO B) C) D) E) Answer: A Diff: 1 Page Ref: Sec. 7.6 22) An alka
15、li metal forms a compound with chlorine with the formula _. (The symbol M represents any one of the alkali metals.) A) B) C) D) MCl E) Answer: D Diff: 1 Page Ref: Sec. 7.6 23) The reaction of potassium metal with elemental hydrogen produces _. A) KH B) C) D) None of the above; potassium will not rea
16、ct directly with hydrogen. E) KOH Answer: A Diff: 1 Page Ref: Sec. 7.7 24) What is the coefficient of O when the following equation is completed and balanced? A) 1 B) 2 C) 3 D) 5 E) Ba(s) does not react with O (l). Answer: B Diff: 1 Page Ref: Sec. 7.7 25) The element(s) _ could be used to produce a
17、red or crimson color in fireworks. A) Mg or Ba B) Sr C) Ca, Sr, or Li D) Ba E) Na or K Answer: B Diff: 1 Page Ref: Sec. 7.7 26) Element X reacts with chlorine to form a compound with the formula . The oxide of element X is basic. Element X is _. A) Rb B) Ca C) Al D) P E) H Answer: B Diff: 1 Page Ref
18、: Sec. 7.7 27) The reaction of a metal with a nonmetal produces a(n) _. A) base B) salt C) acid D) oxide E) hydroxide Answer: B Diff: 1 Page Ref: Sec. 7.7 28) Which nonmetal exists as a diatomic solid? A) bromine B) antimony C) phosphorus D) iodine E) boron Answer: D Diff: 3 Page Ref: Sec. 7.7 29) T
19、he most common and stable allotrope of sulfur is _. A) S B) C) D) E) Sulfur does not form allotropes. Answer: D Diff: 1 Page Ref: Sec. 7.7 30) Which group 6A element is a metal? A) tellurium and polonium B) sulfur C) selenium D) tellurium E) polonium Answer: E Diff: 2 Page Ref: Sec. 7.7 31) The most
20、 common sulfur ion has a charge of _. A) 2- B) 1- C) 4+ D) 6+ E) Sulfur does not form ions. Answer: A Diff: 1 Page Ref: Sec. 7.7 32) The element phosphorus exists in two forms in nature called white phosphorus and red phosphorus. These two forms are examples of _. A) isotopes B) allotropes C) oxidat
21、ion D) metalloids E) noble gases Answer: B Diff: 1 Page Ref: Sec. 7.7 33) Which periodic table group contains only nonmetals? A) 8A B) 2A C) 6A D) 7A E) 5A Answer: A Diff: 1 Page Ref: Sec. 7.7 34) Of the hydrogen halides, only _ is a weak acid. A) HCl (aq) B) HBr (aq) C) HF (aq) D) HI (aq) E) They a
22、re all weak acids. Answer: C Diff: 2 Page Ref: Sec. 7.7 35) All the elements in group 8A are gases at room temperature. Of all the groups in the periodic table, only group _ contains examples of elements that are gas, liquid, and solid at room temperature. A) 2A B) 1A C) 7A D) 5A E) 6A Answer: C Dif
23、f: 1 Page Ref: Sec. 7.7 36) The only noble gas that does not have the valence electron configuration is _. A) radon B) neon C) helium D) krypton E) All noble gases have the valence electron configuration. Answer: C Diff: 1 Page Ref: Sec. 7.7 37) The first noble gas to be incorporated into a compound
24、 was _. A) Ar B) Kr C) He D) Ne E) Xe Answer: E Diff: 1 Page Ref: Sec. 7.8 38) Of the halogens, which are gases at room temperature and atmospheric pressure? A) fluorine, bromine, and iodine B) fluorine, chlorine, and bromine C) fluorine, chlorine, bromine, and iodine D) fluorine, chlorine, and iodi
25、ne E) fluorine and chlorine Answer: E Diff: 2 Page Ref: Sec. 7.8 39) _ A) B) C) D) E) Answer: C Diff: 1 Page Ref: Sec. 7.8 40) _ A) HCl (aq) + HOCl (aq) B) C) D) E) Answer: A Diff: 2 Page Ref: Sec. 7.8 7.2 Multiple-Choice Questions1) In which set of elements would all members be expected to have ver
26、y similar chemical properties? A) O, S, Se B) N, O, F C) Na, Mg, K D) S, Se, Si E) Ne, Na, Mg Answer: A Diff: 1 Page Ref: Sec. 7.1 2) Which element would be expected to have chemical and physical properties closest to those of fluorine? A) S B) Fe C) Ne D) O E) Cl Answer: E Diff: 1 Page Ref: Sec. 7.
27、1 3) Electrons in the 1s subshell are much closer to the nucleus in Ar than in He due to the larger _ in Ar. A) nuclear charge B) paramagnetism C) diamagnetism D) Hund's rule E) azimuthal quantum number Answer: A Diff: 1 Page Ref: Sec. 7.2 4) In which orbital does an electron in a phosphorus ato
28、m experience the greatest effective nuclear charge? A) 1s B) 2s C) 2p D) 3s E) 3p Answer: A Diff: 2 Page Ref: Sec. 7.2 5) Atomic radius generally increases as we move _. A) down a group and from right to left across a period B) up a group and from left to right across a period C) down a group and fr
29、om left to right across a period D) up a group and from right to left across a period E) down a group; the period position has no effect Answer: A Diff: 1 Page Ref: Sec. 7.2 6) Of the following, which gives the correct order for atomic radius for Mg, Na, P, Si and Ar? A) Mg > Na > P > Si &g
30、t; Ar B) Ar > Si > P > Na > Mg C) Si > P > Ar > Na > Mg D) Na > Mg > Si > P > Ar E) Ar > P > Si > Mg > Na Answer: D Diff: 1 Page Ref: Sec. 7.2 7) The atomic radius of main-group elements generally increases down a group because _. A) effective nuclear
31、charge increases down a group B) effective nuclear charge decreases down a group C) effective nuclear charge zigzags down a group D) the principal quantum number of the valence orbitals increases E) both effective nuclear charge increases down a group and the principal quantum number of the valence
32、orbitals increases Answer: D Diff: 2 Page Ref: Sec. 7.2 8) Screening of the nuclear charge by core electrons in atoms is _. A) less efficient than that by valence electrons B) more efficient than that by valence electrons C) essentially identical to that by valence electrons D) responsible for a gen
33、eral decrease in atomic radius going down a group E) both essentially identical to that by valence electrons and responsible for a general decrease in atomic radius going down a group Answer: B Diff: 1 Page Ref: Sec. 7.2 9) Which one of the following atoms has the largest radius? A) O B) F C) S D) C
34、l E) Ne Answer: C Diff: 1 Page Ref: Sec. 7.2 10) The effective nuclear charge of an atom is primarily affected by _. A) inner electrons B) outer electrons C) nuclear charge D) electrondistribution E) orbital radial probability Answer: A Diff: 3 Page Ref: Sec. 7.2 11) Which one of the following atoms
35、 has the largest radius? A) Sr B) Ca C) K D) Rb E) Y Answer: D Diff: 1 Page Ref: Sec. 7.2 12) Which one of the following has the smallest radius? A) Na B) Cl C) Fe D) P E) Br Answer: B Diff: 1 Page Ref: Sec. 7.2 13) Which one of the following atoms has the largest radius? A) I B) Co C) Ba D) Sr E) C
36、a Answer: C Diff: 1 Page Ref: Sec. 7.2 14) Which one of the following elements has the largest atomic radius? A) Se B) As C) S D) Sb E) Te Answer: D Diff: 1 Page Ref: Sec. 7.2 15) Which one of the following elements has the largest atomic radius? A) O B) F C) Al D) P E) B Answer: C Diff: 1 Page Ref:
37、 Sec. 7.2 16) In which of the following atoms is the 2s orbital closest to the nucleus? A) S B) Cl C) P D) Si E) The 2s orbitals are the same distance from the nucleus in all of these atoms. Answer: B Diff: 1 Page Ref: Sec. 7.2 17) In which of the following atoms is the 3s orbital closest to the nuc
38、leus? A) Br B) Cl C) At D) I E) The 3s orbitals are the same distance from the nucleus in all of these atoms. Answer: C Diff: 2 Page Ref: Sec. 7.2 18) Which of the following correctly lists the five atoms in order of increasing size (smallest to largest)? A) O < F < S < Mg < Ba B) F <
39、 O < S < Mg < Ba C) F < O < S < Ba < Mg D) O < F < S < Ba < Mg E) F < S < O < Mg < Ba Answer: B Diff: 1 Page Ref: Sec. 7.2 19) Of the compounds below, _ has the smallest ionic separation. A) KF B) C) RbCl D)E) RbF Answer: A Diff: 1 Page Ref: Sec. 7.3 20)
40、_ is isoelectronic with argon and _ is isoelectronic with neon. A) B) C) D) E) Answer: A Diff: 1 Page Ref: Sec. 7.3 21) Which of the following is an isoelectronic series? A) B) C) S, Cl, Ar, K D)E)Answer: E Diff: 1 Page Ref: Sec. 7.3 22) Which isoelectronic series is correctly arranged in order of i
41、ncreasing radius? A) B) C) D) E) Answer: D Diff: 1 Page Ref: Sec. 7.3 23) The _ ion is essential for the enzymatic action of carbonic anhydrase and the _ ion is toxic to this enzyme. A) sodium, cadmium B) potassium, arsenic C) zinc, cadmium D) calcium, cadmium E) calcium, arsenic Answer: C Diff: 4 P
42、age Ref: Sec. 7.3 24) Which of the following correctly lists the five atoms in order of increasing size (smallest to largest)? A) F < K < Ge < Br < Rb B) F < Ge < Br < K < Rb C) F < K < Br < Ge < Rb D) F < Br < Ge < K < Rb E) F < Br < Ge < Rb
43、< K Answer: D Diff: 1 Page Ref: Sec. 7.3 25) Of the choices below, which gives the order for first ionization energies? A) Cl > S > Al > Ar > Si B) Ar > Cl > S > Si > Al C) Al > Si > S > Cl > Ar D) Cl > S > Al > Si > Ar E) S > Si > Cl > Al
44、> Ar Answer: B Diff: 1 Page Ref: Sec. 7.4 26) Of the following atoms, which has the largest first ionization energy? A) Br B) O C) C D) P E) I Answer: B Diff: 1 Page Ref: Sec. 7.4 27) Of the following elements, which has the largest first ionization energy? A) Na B) Al C) Se D) Cl E) Br Answer: D
45、 Diff: 1 Page Ref: Sec. 7.4 28) Of the following elements, which has the largest first ionization energy? A) K B) Rb C) Sr D) Ca E) Ba Answer: D Diff: 1 Page Ref: Sec. 7.4 29) Of the following elements, which has the largest first ionization energy? A) Se B) As C) S D) Sb E) Ge Answer: C Diff: 1 Pag
46、e Ref: Sec. 7.4 30) Of the following elements, which has the largest first ionization energy? A) B B) N C) P D) Si E) C Answer: B Diff: 1 Page Ref: Sec. 7.4 31) Of the elements below, _ has the largest first ionization energy. A) Li B) K C) Na D) H E) Rb Answer: D Diff: 1 Page Ref: Sec. 7.4 32) _ ha
47、ve the lowest first ionization energies of the groups listed. A) Alkali metals B) Transition elements C) Halogens D) Alkaline earth metals E) Noble gases Answer: A Diff: 1 Page Ref: Sec. 7.4 33) Which of the following has the largest second ionization energy? A) Si B) Mg C) Al D) Na E) P Answer: D D
48、iff: 2 Page Ref: Sec. 7.4 34) Which of the following has the largest second ionization energy? A) Ca B) K C) Ga D) Ge E) Se Answer: B Diff: 1 Page Ref: Sec. 7.4 35) Which equation correctly represents the first ionization of aluminum? A) B) C) D) E) Answer: D Diff: 1 Page Ref: Sec. 7.4 36) Which of
49、the following correctly represents the second ionization of aluminum? A)B)C)D)E)Answer: E Diff: 1 Page Ref: Sec. 7.4 37) Which equation correctly represents the first ionization of phosphorus? A)B)C)D)E)Answer: C Diff: 1 Page Ref: Sec. 7.4 38) Which of the following correctly represents the second i
50、onization of phosphorus? A) B) C) D) E) Answer: D Diff: 1 Page Ref: Sec. 7.4 39) Which equation correctly represents the first ionization of calcium? A) B) C) D) E) Answer: A Diff: 1 Page Ref: Sec. 7.4 40) Which of the following correctly represents the second ionization of calcium? A) B) C) D) E) Answer: B Diff: 1 Page Ref: Sec. 7.4 41) Which ion below has the largest radius? A)B) C) D) E) Answer: C Diff: 1
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