在線網(wǎng)課知慧《大學(xué)化學(xué)（山盟-山東師大）》單元測(cè)試考核答案

第一章單元測(cè)試1【判斷題】(10分Mixturesandpuresubstancescanbeseparatedbyphysical.（）A.對(duì)B.錯(cuò)2【判斷題】(10分Celsiusistheunitofthetemperature.（）A.錯(cuò)B.對(duì)3【判斷題】(10分Systematicerrorscausedbylimitationsinanexperimenter'sskillorabilitytoreadascientificinstrument.（）A.對(duì)B.錯(cuò)4【判斷題】(10分Inphysicalchange,someofthephysicalpropertiesofthesamplemaychange,anditscompositionchanged.（）A.對(duì)B.錯(cuò)5【判斷題】(10分Thereisatemperatureatwhich°Cand°FhavethesameA.錯(cuò)B.對(duì)第二章單元測(cè)試1【判斷題】(10分Cathoderaysaredeflected(偏轉(zhuǎn))inanelectricfield（）A.錯(cuò)B.對(duì)2【判斷題】(10分STPusuallyreferstothetemperatureof0℃andthepressureof101.325kPa（）A.對(duì)B.錯(cuò)3【判斷題】(10分Alkalimetalsareallfirstperiodelements（）A.對(duì)B.錯(cuò)4【判斷題】(10分Thereareasmanyelectronsoutsidethenucleusasthereareunitsofpositivechargeonthenucleus.Theatomasawholeiselectricallyneutral（）A.錯(cuò)B.對(duì)5【判斷題】(10分X-raysareharmlesstothehumanbody（）A.對(duì)B.錯(cuò)第三章單元測(cè)試1【判斷題】(10分TheoxidationstateoftheunderlinedelementKO2is-1/2.（）A.對(duì)B.錯(cuò)2【判斷題】(10分ThemasspercentOinthemineralmalachite,Cu2(OH)2CO3(Cu=64)is33.04%.（）A.對(duì)B.錯(cuò)3【判斷題】(10分TheempiricalformulaofPentaneisCH.（）A.對(duì)B.錯(cuò)4【判斷題】(10分C6H10O2hasthesameempiricalformulaasaspidinol,C12H16O4,adrugusedtokillparasiticworms.（）A.錯(cuò)B.對(duì)5【判斷題】(10分CH3CH(CH2CH3)CH2OHandCH3CH2CH2CH2CH2OHareisomers.（）A.錯(cuò)B.對(duì)第四章單元測(cè)試1【判斷題】(10分Dryiceispure.（）A.錯(cuò)B.對(duì)2【判斷題】(10分0873hasfoursignificantnumbers.（）A.對(duì)B.錯(cuò)3【判斷題】(10分876hasfoursignificantnumbers.（）A.錯(cuò)B.對(duì)4【判斷題】(10分FerricoxideisFeO.（）A.對(duì)B.錯(cuò)5【判斷題】(10分Mercuryisametallicelement.（）A.對(duì)B.錯(cuò)第五章單元測(cè)試1【判斷題】(10分Aceticacidcannotdisassociatescompletely.（）A.對(duì)B.錯(cuò)2【判斷題】(10分Thereducingagentgainselectronsinthereaction.（）A.錯(cuò)B.對(duì)3【判斷題】(10分Theoxidizingagentcausesanothersubstancetobereduced.（）A.錯(cuò)B.對(duì)4【判斷題】(10分Sulfuricacidcannotdisassociatescompletely.（）A.錯(cuò)B.對(duì)5【判斷題】(10分1MHClismoreacidicthan0.1MH2SO4.（）A.對(duì)B.錯(cuò)第六章單元測(cè)試1【判斷題】(10分Gaseshavemuchlowerdensitiesthanliquidsandsolids.（）A.對(duì)B.錯(cuò)2【判斷題】(10分Thereisacertainamountofgasinacontainerworksatits2m2bottomwith5Nforce,thepressureofbottomis2.5kPa.（）A.對(duì)B.錯(cuò)3【判斷題】(10分Charles'lawshowsusthatV∞TatconstantnandP.（）A.對(duì)B.錯(cuò)4【判斷題】(10分AccordingtothecombustionandexothermicreactionC(s)+O2(g)＜=CO2(g),whenlowerthetemperatureofthesystemwhilenotchangeotherconditions,thespeedwillincrease.（）A.錯(cuò)B.對(duì)5【判斷題】(10分AccordingtothereactionN2+3H2＜=2NH3,whenaddthepressureofthesystemwhilenotchangeotherconditions,thebalancewillmovetoright.（）A.錯(cuò)B.對(duì)第七章單元測(cè)試1【判斷題】(10分Enthalpyisastatefunction.（）A.錯(cuò)B.對(duì)2【判斷題】(10分Thestandardenthalpyofformationofapureelementinitsreferenceformis0.（）A.對(duì)B.錯(cuò)3【判斷題】(10分NH4NO3(s)couldbeusedformeltingice.（）A.對(duì)B.錯(cuò)4【判斷題】(10分Exothermicprocessmeansthatheatabsorbedbythesystemfromthesurroundings.（）A.錯(cuò)B.對(duì)5【判斷題】(10分H2O(s)→H2O(l)DH=6.01kJ/molItmeansthat6.01kJareabsorbedforevery1moleoficethatmeltsat0°Cand1atm.（）A.錯(cuò)B.對(duì)第八章單元測(cè)試1【判斷題】(10分ForthecompositionofAir,oxygen'svolumepercentis20.95%。（）A.對(duì)B.錯(cuò)2【判斷題】(10分Nitrogencanbeusedasrefrigerant.（）A.錯(cuò)B.對(duì)3【判斷題】(10分Oxygencanbeusedformetalsandwatertreatments.（）A.對(duì)B.錯(cuò)4【判斷題】(10分Thetransformationofoxygenintoozoneisanexothermicreaction.（）A.錯(cuò)B.對(duì)5【判斷題】(10分Hydrogenisauniqueelementthatdoesnotfitintoanygroup.Hydrogencan‘toccurasinaqueoussolutionsandasinhydrides.（）A.錯(cuò)B.對(duì)第九章單元測(cè)試1【判斷題】(10分BalmerSeriesdescribeUltravioletSpectrumRegion.（）A.對(duì)B.錯(cuò)2【判斷題】(10分Lightisabsorbedase-movesfromoneenergyleveltoalowerenergylevelinBohr’sModeloftheAtom.（）A.錯(cuò)B.對(duì)3【判斷題】(10分Frequency(n)isthenumberofwavesthatpassthroughaparticularpointin1second(Hz=1cycle/s).（）A.對(duì)B.錯(cuò)4【判斷題】(10分(2,1,-1,-1/2)isanAppropriateCombinationoftheFourQuantumNumbers:n,l,ml,ms（）A.對(duì)B.錯(cuò)5【判斷題】(10分NotwoelectronsinanatomcanhaveallfourquantumnumbersalikeisthePauliexclusionprinciple.（）A.錯(cuò)B.對(duì)第十章單元測(cè)試1【判斷題】(10分NehasthesameelectronconfigurationastheNa+cation（）A.對(duì)B.錯(cuò)2【判斷題】(10分Theelectronconfigurationofchlorinecanbewrittenas[Ne]3s23p5（）A.對(duì)B.錯(cuò)3【判斷題】(10分Cationisalwayslargerthanatomfromwhichitisformed.（）A.對(duì)B.錯(cuò)4【判斷題】(10分Inthesameperiod,themoreyougototherightthelowertheelectronaffinityenergy.（）A.錯(cuò)B.對(duì)5【判斷題】(10分Ionizationenergyistheminimumenergy(kJ/mol)requiredtoremoveanelectronfromagaseousatominitsgroundstate.（）A.對(duì)B.錯(cuò)第十一章單元測(cè)試1【判斷題】(10分Ionicbondsareformedbysharingpairsofelectrons.（）A.錯(cuò)B.對(duì)2【判斷題】(10分Octetisusuallyaninertgasstructurewitheightouterelectrons.（）A.對(duì)B.錯(cuò)3【判斷題】(10分Acovalentbondisachemicalbondinwhichtwoormoreelectronsaresharedbytwoatoms.（）A.對(duì)B.錯(cuò)4【判斷題】(10分Polarcovalentbondorpolarbondisacovalentbondwithgreaterelectrondensityaroundoneofthetwoatoms（）A.錯(cuò)B.對(duì)5【判斷題】(10分AllthevalenceelectronsoftheatomsinaLewisstructuremustappearinthestructure.（）A.錯(cuò)B.對(duì)第十二章單元測(cè)試1【判斷題】(10分HybridtypesofPCl5issp3dandGeometricOrientationistetrahedral.（）A.對(duì)B.錯(cuò)2【判斷題】(10分GeometricOrientationofBeCl2islinear.（）A.對(duì)B.錯(cuò)3【判斷題】(10分Theshapeofamoleculeisdeterminedonlybytheorbitalsformingσbonds.（）A.錯(cuò)B.對(duì)4【判斷題】(10分TheCatomishybridizedtoproducetheorbitalsetsp2+p,asinC2H2.Twoofthesp2hybridorbitalsareusedtoformσbondswiththeHatoms.Theremainingsp2hybridorbitalisusedtoformaσbondwithoxygen.