资源描述：
《国立屏东教育大学98学年度研究所硕士班入学考试》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。
1、國立屏東教育大學98學年度研究所碩士班入學考試化學試題（化學生物系碩士班化學組）※請注意：1.本試題共五頁。2.答案須寫在答案卷上，否則不予計分。一、選擇題（每題3分，共60分）1.Ifmatterisuniformthroughout,cannotbeseparatedintoothersubstancesbyphysicalprocesses,butcanbedecomposedintoothersubstancesbychemicalprocesses,itiscalleda(an)__________.(A)heterogeneousmixtur
2、e(B)element(C)homogeneousmixture(D)compound(E)mixtureofelements2.Basedontheactivityseries,whichoneofthereactionsbelowwilloccur?(A)(B)(C)(D)(E)3.AccordingtotheHeisenbergUncertaintyPrinciple,itisimpossibletoknowpreciselyboththepositionandthe__________ofanelectron.(A)mass(B)color(C)
3、momentum(D)shape(E)velocity4.Considerthegeneralvalenceelectronconfigurationofns2np5andthefollowingstatements:(A)Elementswiththiselectronconfigurationareexpectedtoform-1anions.(B)Elementswiththiselectronconfigurationareexpectedtohavelargepositiveelectronaffinities.(C)Elementswitht
4、hiselectronconfigurationarenonmetals.(D)Elementswiththiselectronconfigurationformacidicoxides.5.Abiomaterialintendedforuseasalong-termreplacementofabloodvessel__________.(A)mustberigidandhaveroughsurfaces(B)mustberigidandchemicallyinert(C)mustberigidandmustnotdegradeovertime(D)mu
5、stbeflexibleandhaveanopenporousstructure(E)shouldbedesignedsuchthatitencouragescoagulationofblood第5頁，共5頁1.Advantagestoreplacementofmetalpartsusedinhigh-temperatureapplicationswithceramicsinclude:(1)Ceramicsareeasilymanufacturedfreeofdefects.(2)Ceramicsarelessdensethanmetals.(3)Ce
6、ramicsarelessbrittlethanmetals.(4)Ceramicsaremoreresistanttocorrosionthanmetals.(A)2,4(B)1,2,3,4(C)2,3,4(D)1,3,4(E)1,2,42.ThediagrambelowistheBorn-hubercyclefortheformationofcrystallinepotassiumfluoride.Whichenergychangecorrespondstotheelectronaffinityoffluorine?(A)2(B)5(C)4(D)1(
7、E)63.Forresonanceformsofamoleculeorion,__________.(A)onealwayscorrespondstotheobservedstructure(B)alltheresonancestructuresareobservedinvariousproportions(C)theobservedstructureisanaverageoftheresonanceforms(D)thesameatomsneednotbebondedtoeachotherinallresonanceforms(E)therecanno
8、tbemorethantworesonancestructuresforagiv
