[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fHlkbERFepvYBzGM6xg8lPCuGah8B7KY4qTSEwqcFLUg":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":13,"question":17,"related":18,"source":22,"type":23},[],"2026-01-08 14:43:18",306893225,[8,9,10,11,12],"衰变常数","半衰期","平均寿命","放射性活度","普朗克常量",{"courseId":14,"courseImg":15,"courseName":16},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","以下不可以描述物质衰变快慢的物理量",[19,24,34,44,54,64,69,79,89,95],{"answer":20,"createTime":5,"id":6,"options":21,"question":17,"source":22,"type":23},[],[8,9,10,11,12],"v1",0,{"answer":25,"createTime":5,"id":26,"options":27,"question":33,"source":22,"type":23},[],306893226,[28,29,30,31,32],"30:31","31:30","1:2","2:1","5:4","放射性核素为A,B 半衰期为4d和5d,则相同质量的A和B经过20d后,所剩质量之比",{"answer":35,"createTime":5,"id":36,"options":37,"question":43,"source":22,"type":23},[],306893227,[38,39,40,41,42],"原子的正电荷和绝大部分质量集中在一个很小的核上","正电荷在原子中是均匀分布的","原子中存在着带负电的电子","原子只能处于一系列不连续的能量状态中","原子核带负电","在卢瑟福的a粒子散射实验中,有极少数a粒子发生大角度偏转,其原因是",{"answer":45,"createTime":5,"id":46,"options":47,"question":53,"source":22,"type":23},[],306893228,[48,49,50,51,52],"原子核由质子和中子组成","原子核由质子和电子组成","质子和中子都带正电","原子核的质量数一定等于电荷数","中子与电子质量相近","下列说法中正确的是",{"answer":55,"createTime":5,"id":56,"options":57,"question":63,"source":22,"type":23},[],306893229,[58,59,60,61,62],"K层","L层","M层","N层","O层","轨道半径最小的壳层是",{"answer":65,"createTime":5,"id":66,"options":67,"question":68,"source":22,"type":23},[],306893230,[58,59,60,61,62],"最多可容纳8个电子的壳层是",{"answer":70,"createTime":5,"id":71,"options":72,"question":78,"source":22,"type":23},[],306893231,[73,74,75,76,77],"基态","激发","跃迁","特征光子","电离","原子中壳层电子吸收足够的能量脱离原子核的束缚变为自由电子的过程称为",{"answer":80,"createTime":5,"id":81,"options":82,"question":88,"source":22,"type":23},[],306893232,[83,84,85,86,87],"1\u002F2","1\u002F3","1\u002F4","1\u002F8","1\u002F16","放射性核素经过3个半衰期的时间后放射性核素数为原来的",{"answer":90,"createTime":5,"id":91,"options":92,"question":94,"source":22,"type":23},[],306893233,[10,8,11,93,9],"半价层","原子核数因衰变减少一半所需的时间是",{"answer":96,"createTime":5,"id":97,"options":98,"question":104,"source":22,"type":23},[],306893234,[99,100,101,102,103],"特征X线","俄歇电子","β射线","γ光子","特征X线和俄歇电子","在电子俘获过程中,可能出现外层电子填补内层电子空位,而产生"]