[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fVth8j3okG-FUzc_A9QeyRONnkc2v8fAAWiEtXi_HpkU":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":18,"related":19,"source":26,"type":27},[],"2024-04-02 22:53:09",992227205,[8,9,10,11],"3","4","6","8",{"courseId":13,"courseImg":14,"courseName":15,"workId":16,"workName":17},"1000010386","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F73134f00c11ec389a3886afacff70ad0.png","材料科学基础（上）","57604238","第二章单元测试","正负离子半径比:0.732&le;r+\u002Fr-&lt;1,正离子的配位数为( )",[20,28,31,39,49],{"answer":21,"createTime":5,"id":22,"options":23,"question":25,"source":26,"type":27},[],992227042,[24,9,10,11],"2","等径球体最紧密堆积时,一个球周围有( )个八面体空隙","v2",0,{"answer":29,"createTime":5,"id":6,"options":30,"question":18,"source":26,"type":27},[],[8,9,10,11],{"answer":32,"createTime":5,"id":33,"options":34,"question":37,"source":26,"type":38},[],992227221,[35,36],"对","错","若晶面指数相同,但正负符号相反,则两组晶面是相互平行的",3,{"answer":40,"createTime":5,"id":41,"options":42,"question":47,"source":26,"type":48},[],992227233,[43,44,45,46],"碘离子半径大易被极化","正负离子靠近,配位数增加","碘银键由离子键过渡为共价键","正负离子靠近,配位数降低","碘化银晶体理论上是6配位结构,但实际上却是4配位结构,原因有( )",1,{"answer":50,"createTime":5,"id":51,"options":52,"question":53,"source":26,"type":38},[],992227259,[35,36],"两种不同元素结合成晶体时,随两元素电负性差值增大,键的极性逐渐减弱"]