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1、SOLUTIONSTOPROBLEMSPREFACEThissectionofinstructor'sresourcematerialscontainssolutionsandanswerstoallproblemsandquestionsthatappearinthetextbook.Mypenmanshipleavessomethingtobedesired;therefore,Igeneratedthesesolutions/answersusingcomputersoftwaresothattheresultingproductwouldbe
2、"readable."Furthermore,Iendeavoredtoprovidecompleteanddetailedsolutionsinorderthat:(1)theinstructor,withouthavingtotaketimetosolveaproblem,willunderstandwhatprinciples/skillsaretobelearnedbyitssolution;and(2)tofacilitatestudentunderstanding/learningwhenthesolutionisposted.Iwoul
3、drecommendedthatthecourseinstructorconsultthesesolutions/answersbeforeassigningproblemsandquestions.Indoingso,heorsheensuresthatthestudentswillbedrilledintheintendedprinciplesandconcepts.Inaddition,theinstructormayprovideappropriatehintsforsomeofthemoredifficultproblems.Withreg
4、ardtosymbols,inthetextmaterialIelectedtoboldfacethosesymbolsthatareitalicizedinthetextbook.Furthermore,Ialsoendeavoredtobeconsistentrelativetosymbolstyle.However,inseveralinstances,symbolsthatappearinthetextbookwerenotavailable,anditwasnecessarytomakeappropriatesubstitutions.Th
5、eseincludethefollowing:thelettera(unitcelledgelength,cracklength)isusedinplaceofthecursivea.AndRomanEandFreplacescriptE(electricfieldinChapter12)andscriptF(Faraday'sconstantinChapter16),respectively.Ihaveexercisedextremecareindesigningtheseproblems/questions,andtheninsolvingthe
6、m.However,nomatterhowcarefuloneiswiththepreparationofaworksuchasthis,errorswillalwaysremaininthefinalproduct.Therefore,corrections,suggestions,andcommentsfrominstructorswhousethetextbook(aswellastheirteachingassistants)pertainingtohomeworkproblems/solutionsarewelcomed.Thesemayb
7、esenttomeincareofthepublisher.CHAPTER2ATOMICSTRUCTUREANDINTERATOMICBONDINGPROBLEMSOLUTIONS2.1(a)Whentwoormoreatomsofanelementhavedifferentatomicmasses,eachistermedanisotope.(b)Theatomicweightsoftheelementsordinarilyarenotintegersbecause:(1)theatomicmasses12oftheatomsgenerallyar
8、enotintegers(exceptforC),and(2)theatomicweightistakena
