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已知铜原子的原子半径为0.25nm，画出铜晶体的一个晶胞，并完成下列工作：计算(001)、(110)、(111)各个晶面中每单位面积(1mm2)的原子数分别有多少个，并作以比较。
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Cu2O为半导体材料在其立方晶胞内部有4个氧原子其余氧原子位于面心和顶点则该晶胞中有______个铜
已知铜为FCC结构其原子半径为0.1278nm试计算其密度为多少铜的原子量为63.5阿伏伽德罗Avo
碳元素不仅能形成丰富多彩的有机化合物而且还能形成多种无机化合物同时自身可以形成多种单质碳及其化合物的
有关晶体晶胞的结构如下图所示下列说法不正确的是
在NaCl晶体中，距Na＋最近的Cl－形成正八面体
在CaF2晶体中，每个晶胞平均占有4个Ca2＋
在金刚石晶体中，碳原子与碳碳键个数的比为1∶4
铜晶体为面心立方堆积，铜原子的配位数为12
1GaAs是新型半导体材料第一电离能As______Ga填＞或＜GaCl3与AsCl3的中心原子的杂
1如图甲所示为二维平面晶体示意图所表示的化学式为AX3的是________2图乙为一个金属铜的晶胞请
[化学-选修3物质结构与性质]1丙酮分子中2号碳原子的杂化方式为__________2写出镍原子的电
写出BCC晶体中的配位数N致密度K原子半径r与点阵常数a的关系式在一个BCC晶胞中画出其室温时的一组
有关晶体的下列说法中不正确的是
在NaCl晶体中，距Na
＋
最近的Cl
－
形成正八面体
在NaCl晶体中，每个晶胞平均占有4个Na
＋
在CsCl晶体中，每个晶胞平均占有8个Cs
＋
铜晶体为面心立方堆积，铜原子的配位数（距离一个铜原子最近的其它铜原子的个数）为12
铜的一个立方晶胞中有多少个原子
.下列有关说法不正确的是
水合铜离子的模型如图1所示，1个水合铜离子中有4个配位键
CaF
2
晶体的晶胞如图2所示，每个CaF
2
晶胞平均占有4个Ca
2
＋
H.原子的电子云图如图3所示，H.原子核外大多数电子在原子核附近运动
金属铜中Cu原子堆积模型如图4为最密堆积每个Cu原子的配位数均为12
下列有关说法不正确的是
水合铜离子的模型如图1所示,1个水合铜离子中有4个配位键
CaF
2
晶体的晶胞如图2所示,每个CaF
2
晶胞平均占有4个Ca
2+
氢原子的电子云图如图3所示,氢原子核外的大多数电子在原子核附近运动
金属Cu中铜原子堆积模型如图4所示,该金属晶体为最密堆积,每个铜原子的配位数均为12
已知铜原子的原子半径为0.25nm画出铜晶体的一个晶胞并完成下列工作在图上画出发生滑移的一个晶面以及
已知1mol铜的质量为63.5克铜的密度是8.9×103kg/m3试计算1一个铜原子的体积2假若铜原
画出纯铜晶体的一个晶胞并完成下列工作 1计算001110111晶面的原子密度并作以比较 2计算[0
写出BCC晶体中的配位数致密度原子半径r与点阵常数a的关系式并在一个BCC晶胞中画出其室温时的一组滑
下列有关说法不正确的是
水合铜离子的模型如图1所示，1个水合铜离子中有4个配位键
CaF
2
晶体的晶胞如图2所示，每个CaF
2
晶胞平均占有4个Ca
2+
氢原子的电子云图如图3所示，氢原子核外的大多数电子在原子核附近运动
金属Cu中铜原子堆积模型如图4所示，该金属晶体为最密堆积，每个铜原子的配位数均为12
Cu2O在稀硫酸中生成Cu和CuSO4铜晶胞结构如图所示铜晶体中每个铜原子周围距离最近的铜原子数目为
早期发现的一种天然二十面体准晶颗粒由三种AlCuFe三种金属元素组成.回答下列问题1可通过方法区分晶
下列有关说法不正确的是
水合铜离子的模型如图1所示，1个水合铜离子中有4个配位键
CaF
2
晶体的晶胞如图2所示，每个CaF
2
晶胞平均占有4个Ca
2+
氢原子的电子云图如图3所示，氢原子核外的大多数电子在原子核附近运动
金属Cu中铜原子堆积模型如图4所示，该金属晶体为最密堆积，每个铜原子的配位数均为12
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Tight-lippedeldersusedtosayIt’snotwhatyouwantinthisworldbutwhatyouget. Psychologyteachesthatyoudogetwhatyouwantifyouknowwhatyouwantandwanttherightthings. Youcanmakeamentalblueprintofadesireasyouwouldmakeablueprintofahouseandeachofusiscontinuallymakingtheseblueprintsinthegeneralroutineofeverydayliving.Ifweintendtohavefriendstodinnerweplanthemenumakeashoppinglistdecidewhichfoodtocookfirstandsuchplanningisanessentialforanytypeofmealtobeserved. Likewiseifyouwanttofindajobtakeasheetofpaperandwriteabriefaccountofyourself.Inmakingablueprintforajobbeginwithyourselfforwhenyouknowexactlywhatyouhavetoofferyoucanintelligentlyplanwheretosellyourservices. Thisaccountofyourselfisactuallyasketchofyourworkinglifeandshouldincludeeducationexperienceandreferences.Suchanaccountisvaluable.Itcanbereferredtoinfillingoutstandardapplicationblanksandisextremelyhelpfulinpersonalinterviews.Whiletalkingtoyouyourcould-beemployerisdecidingwhetheryoureducationyourexperienceandotherqualificationswillpayhimtoemployyouandyourwaresandabilitiesmustbedisplayedinanorderlyandreasonablyconnectedmanner. Whenyouhavecarefullypreparedablueprintofyourabilitiesanddesiresyouhavesomethingtangibletosell.Thenyouarereadytohuntforajob.Getallthepossibleinformationaboutyourcouldbejob.Makeinquiriesastothedetailsregardingthejobandthefirm.Keepyoureyesandearsopenanduseyourownjudgement.Spendacertainamountoftimeeachdayseekingtheemploymentyouwishforandkeepinmind:Securingajobisyourjobnow. WhatdotheeldersmeanwhentheysayIt’’snotwhatyouwantinthisworldbutwhatyouget.
Afterhisunclediedtheyoungman______thebeautifulestatewithwhichhechangedfromapoormantoawealthynoble.
Advancingagemeanslosingyourhair yourwaistlineandyourmemoryrightDanaDenisisjust40yearsoldbut 21she’sworriedaboutwhatshecallsmyrollingmental blackouts.ItrytoremembersomethingandIjustblankoutshe says.Youmay22abouttheselapses callingthemseniormomentsorblamingearlyAlzheimer’s老年痴呆症.Isitan inescapablefactthattheolderyougetthe23you rememberWellsortof.Butastimegoesbywetendtoblameage24 problemsthatarenotnecessarilyage-related.When ateenagercan’tfindherkeysshethinksit’sbecauseshe’sdistractedor disorganizedsaysPaulGoldA70-year-oldblamesher25 .Infactthe70-year-oldmayhavebeen26 thingsfordecades.Inhealthypeoplememorydoesn’tworsenas 27asmanyofusthink.Aswe28 thememorymechanismisn’t29sayspsychologistFergus Craik.It’sjustinefficient.Thebrain’sprocessing 30slowsdownovertheyearsthoughnooneknowsexactly 31Recentresearchsuggeststhatnervecellslose efficiencyand32there’slessactivityinthebrain.But cautionsBarryGordonIt’snotclearthatlessactivityis33 .Abeginningathleteiswinded气喘吁吁moreeasilythana 34athlete.Inthesameway35the braingetsmoreskilledatataskitexpendslessenergyonit. Thereare36youcantaketocompensatefornormal slippageinyourmemorygearsthoughit37effort. MargaretSewellsays:We’reaquick-fixculturebutyouhaveto38 tokeepyourbrain39shape.It’slikehavinga goodbody.Youcan’tgotothegymonceayear40expect tostayintopform.
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Inthelasthalfofthenineteenthcenturycapitalandlabourwereenlargingandperfectingtheirrivalorganizationsonmodemlines.Manyanoldfirmwasreplacedbyalimitedliabilitycompanywithabureaucracyofsalariedmanagers.Thechangemetthetechnicalrequirementsofthenewagebyengagingalargeprofessionalelementandpreventedthedeclineinefficiencythatsocommonlyspoiledthefortunesoffamilyfirmsinthesecondandthirdgenerationaftertheenergeticfounders.Itwasmoreoverastepawayfromindividualinitiativetowardscollectivismandmunicipalandstate-ownedbusiness.Therailwaycompaniesthoughstillprivatebusinessmanagedforthebenefitofshareholderswereveryunlikeoldfamilybusiness.Atthesametimethegreatmunicipalitieswentintobusinesstosupplylightingtramsandotherservicestothetaxpayers. Thegrowthofthelimitedliabilitycompanyandmunicipalbusinesshadimportantconsequences.Suchlargeimpersonalmanipulationofcapitalandindustrygreatlyincreasedthenumbersandimportanceofshareholdersasaclassanelementinnationalliferepresentingirresponsiblewealthdetachedfromthelandandthedutiesofthelandowners;andalmostequallydetachedfromtheresponsiblemanagementofbusiness.AllthroughthenineteenthcenturyAmericaAfricaIndiaAustraliaandpartsofEuropewerebeingdevelopedbyBritishcapitalandBritishshareholderswerethusenrichedbytheworld’smovementtowardsindustrialisation.TownslikeBournemouthandEastbournespranguptohouselargecomfortableclasseswhohadretiredontheirincomesandwhohadnorelationtotherestofthecommunityexceptthatofdrawingdividendsandoccasionallyattendingashareholders’meetingtodictatetheirorderstothemanagement.OntheotherhandshareholdingmeantleisureandfreedomwhichwasusedbymanyofthelaterVictoriansforthehighestpurposeofagreatcivilization. Theshareholdersassuchhadnoknowledgeofthelivesthoughtsorneedsoftheworkmenemployedbythecompanyinwhichheheldsharesandhisinfluenceontherelationsofcapitalandlabourwasnotgood.Thepaidmanageractingforthecompanywasinmoredirectrelationwiththemenandtheirdemandsbutevenhehadseldomthatfamiliarpersonalknowledgeoftheworkmenwhichtheemployerhadoftenhadunderthemorepatriarchalsystemoftheoldfamilybusinessnowpassingaway.Indeedthemeresizeofoperationsandthenumbersofworkmeninvolvedrenderedsuchpersonalrelationsimpossible.Fortunatelyhowevertheincreasingpowerandorganizationofthetradeunionsatleastinallskilledtradesenabledtheworkmentomeetonequaltermsthemanagersofthecompanieswhoemployedthem.Thecrueldisciplineofthestrikeandlockouttaughtthetwopartiestorespecteachother’sstrengthandunderstandthevalueoffairnegotiation. It’’strueoftheoldfamilyfirmsthat_________________.
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Rumorhasitthatmorethan20booksoncreationism/evolutionareinthepublisher’spipelines.Afewhavealreadyappeared.Thegoalofallwillbetotrytoexplaintoaconfusedandoftenunenlightenedcitizenrythattherearenottwoequallyvalidscientifictheoriesfortheoriginandevolutionofuniverseandlife.Cosmologygeologyandbiologyhaveprovidedaconsistentunifiedandconstantlyimprovingaccountofwhathappened.Scientificcreationismwhichisbeingpushedbysomeforequaltimeintheclassroomswheneverthescientificaccountsofevolutionaregivenisbasedonreligionnotscience.Virtuallyallscientistsandthemajorityofnonfundamentalistreligiousleadershavecometoregardscientificcreationismasbadscienceandbadreligion. ThefirstfourchaptersofKitcher’sbookgiveaverybriefintroductiontoevolution.Atappropriateplacesheintroducesthecriticismsofthecreationistsandprovidesanswers.Inthelastthreechaptershetakesoffhisglovesandgivesthecreationistsagoodbeating.Hedescribestheirprogrammesandtacticsandforthoseunfamiliarwiththewaysofcreationiststheextentoftheirdeceptionanddistortionmaycomeasanunpleasantsurprise.WhentheirbasicmotivationisreligiousonemighthaveexpectedmoreChristianbehavior. Kitcherisaphilosopherandthismayaccountinpartforthecharityandeffectivenessofhisarguments.Thenonspecialistwillbeabletoobtainatleastanotionofthesortsofdataandargumentthatsupportevolutionarytheory.Thefinalchaptersonthecreationistswillbeextremelycleartoall.OnthedustjacketofthisfinebookStephenJayGouldsays:Thisbookstandsforreasonitself.Andsoitdoes―andallwouldbewellwerereasontheonlyjudgeinthecreationism/evolutiondebate. Fromthepassagewecaninferthat_________________.
Tight-lippedeldersusedtosayIt’snotwhatyouwantinthisworldbutwhatyouget. Psychologyteachesthatyoudogetwhatyouwantifyouknowwhatyouwantandwanttherightthings. Youcanmakeamentalblueprintofadesireasyouwouldmakeablueprintofahouseandeachofusiscontinuallymakingtheseblueprintsinthegeneralroutineofeverydayliving.Ifweintendtohavefriendstodinnerweplanthemenumakeashoppinglistdecidewhichfoodtocookfirstandsuchplanningisanessentialforanytypeofmealtobeserved. Likewiseifyouwanttofindajobtakeasheetofpaperandwriteabriefaccountofyourself.Inmakingablueprintforajobbeginwithyourselfforwhenyouknowexactlywhatyouhavetoofferyoucanintelligentlyplanwheretosellyourservices. Thisaccountofyourselfisactuallyasketchofyourworkinglifeandshouldincludeeducationexperienceandreferences.Suchanaccountisvaluable.Itcanbereferredtoinfillingoutstandardapplicationblanksandisextremelyhelpfulinpersonalinterviews.Whiletalkingtoyouyourcould-beemployerisdecidingwhetheryoureducationyourexperienceandotherqualificationswillpayhimtoemployyouandyourwaresandabilitiesmustbedisplayedinanorderlyandreasonablyconnectedmanner. Whenyouhavecarefullypreparedablueprintofyourabilitiesanddesiresyouhavesomethingtangibletosell.Thenyouarereadytohuntforajob.Getallthepossibleinformationaboutyourcouldbejob.Makeinquiriesastothedetailsregardingthejobandthefirm.Keepyoureyesandearsopenanduseyourownjudgement.Spendacertainamountoftimeeachdayseekingtheemploymentyouwishforandkeepinmind:Securingajobisyourjobnow. Accordingtothepassageonemustwriteanaccountofhimselfbeforestartingtofindajobbecause_______________.
Advancingagemeanslosingyourhair yourwaistlineandyourmemoryrightDanaDenisisjust40yearsoldbut 21she’sworriedaboutwhatshecallsmyrollingmental blackouts.ItrytoremembersomethingandIjustblankoutshe says.Youmay22abouttheselapses callingthemseniormomentsorblamingearlyAlzheimer’s老年痴呆症.Isitan inescapablefactthattheolderyougetthe23you rememberWellsortof.Butastimegoesbywetendtoblameage24 problemsthatarenotnecessarilyage-related.When ateenagercan’tfindherkeysshethinksit’sbecauseshe’sdistractedor disorganizedsaysPaulGoldA70-year-oldblamesher25 .Infactthe70-year-oldmayhavebeen26 thingsfordecades.Inhealthypeoplememorydoesn’tworsenas 27asmanyofusthink.Aswe28 thememorymechanismisn’t29sayspsychologistFergus Craik.It’sjustinefficient.Thebrain’sprocessing 30slowsdownovertheyearsthoughnooneknowsexactly 31Recentresearchsuggeststhatnervecellslose efficiencyand32there’slessactivityinthebrain.But cautionsBarryGordonIt’snotclearthatlessactivityis33 .Abeginningathleteiswinded气喘吁吁moreeasilythana 34athlete.Inthesameway35the braingetsmoreskilledatataskitexpendslessenergyonit. Thereare36youcantaketocompensatefornormal slippageinyourmemorygearsthoughit37effort. MargaretSewellsays:We’reaquick-fixculturebutyouhaveto38 tokeepyourbrain39shape.It’slikehavinga goodbody.Youcan’tgotothegymonceayear40expect tostayintopform.
Inordertolivethekindoflifewewantandtobethepersonwewanttobewehavetodomorethanjust______withevents.
Rumorhasitthatmorethan20booksoncreationism/evolutionareinthepublisher’spipelines.Afewhavealreadyappeared.Thegoalofallwillbetotrytoexplaintoaconfusedandoftenunenlightenedcitizenrythattherearenottwoequallyvalidscientifictheoriesfortheoriginandevolutionofuniverseandlife.Cosmologygeologyandbiologyhaveprovidedaconsistentunifiedandconstantlyimprovingaccountofwhathappened.Scientificcreationismwhichisbeingpushedbysomeforequaltimeintheclassroomswheneverthescientificaccountsofevolutionaregivenisbasedonreligionnotscience.Virtuallyallscientistsandthemajorityofnonfundamentalistreligiousleadershavecometoregardscientificcreationismasbadscienceandbadreligion. ThefirstfourchaptersofKitcher’sbookgiveaverybriefintroductiontoevolution.Atappropriateplacesheintroducesthecriticismsofthecreationistsandprovidesanswers.Inthelastthreechaptershetakesoffhisglovesandgivesthecreationistsagoodbeating.Hedescribestheirprogrammesandtacticsandforthoseunfamiliarwiththewaysofcreationiststheextentoftheirdeceptionanddistortionmaycomeasanunpleasantsurprise.WhentheirbasicmotivationisreligiousonemighthaveexpectedmoreChristianbehavior. Kitcherisaphilosopherandthismayaccountinpartforthecharityandeffectivenessofhisarguments.Thenonspecialistwillbeabletoobtainatleastanotionofthesortsofdataandargumentthatsupportevolutionarytheory.Thefinalchaptersonthecreationistswillbeextremelycleartoall.OnthedustjacketofthisfinebookStephenJayGouldsays:Thisbookstandsforreasonitself.Andsoitdoes―andallwouldbewellwerereasontheonlyjudgeinthecreationism/evolutiondebate. Creationisminthepassagerefersto_________________.
About20ofthepassengerswhowereinjuredinaplanecrasharesaidtobein______condition.
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