在线网课知慧《大学化学（山盟-山东师大）》单元测试考核答案

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