[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fGExVxrS-OY8mRVHRGBItdC3PSuiV6nvhEx-CJhoeEWA":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-05-30 17:08:09",192374903,[8,9,10,11],"1","2","3","4",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},25,"9d22e7ce87053fc564a88bd3ee1e8b3e","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F935c09af00bca90a3a1479012b53ddc9.jpg","无机化学（二）","work_41310899","第12章 碱金属和碱土金属","下列反应方程式书写不正确的是在过氧化钠固体上滴加热水 Na2O2 +2H2O(热) = 2NaOH + H2O2将二氧化碳通过过氧化钠 2Na2O2 + 2CO2 = 2Na2CO3 + O2金属钠与氯化钾共热 Na(s) + KCl =NaCl + K(g) 在酸性高锰酸钾溶液中滴加过氧化钠 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5aed16691429cd5d1e1685065489ad55.webp\">",[21,32,41,50,59,68,77,80,90,99],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],192374892,[25,26,27,28],"由于s区元素的电负性小,所以都形成典型的离子型化合物","在s区元素中,Be、Mg因表面形成致密的氧化物保护膜而对水比较稳定","s区元素的单质都有很强的还原性","除Be、Mg外,其它s区元素的硝酸盐或氯酸盐都可做焰火材料","关于s区元素的性质,下列叙述中不正确的是","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],192374893,[36,37,38,39],"Be","K, Ru, Cs","IIA","Li","至今未发现有过氧化物的是",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],192374894,[45,46,47,48],"LiF","RbCl","LiCl","BeCl2","下列卤化物中,共价性最强的是",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],192374896,[54,55,56,57],"O2","N2","NH3","H2","钙在空气中燃烧所得到的产物之一用水湿润后,所放出的气体是",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],192374898,[63,64,65,66],"对角线规则","惰性电子对效应","镧系收缩","R-O-H规则","Li和Mg及其它们的化合物彼此间性质相似,可以用来解释此现象的是",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":30,"type":31},[],192374900,[72,73,74,75],"K2O2","Na2O2","KO2","KO3","和水反应得不到\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8d1a322d1250f5e2ee17314829a3fac3.webp\">的是",{"answer":78,"createTime":5,"id":6,"options":79,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":81,"createTime":82,"id":83,"options":84,"question":89,"source":30,"type":31},[],"2025-05-30 17:08:10",192374908,[85,86,87,88],"Be(OH)2","Mg(OH)2","Ca(OH)2","LiOH","下列氢氧化物中碱性最强的是",{"answer":91,"createTime":82,"id":92,"options":93,"question":98,"source":30,"type":31},[],192374915,[94,95,96,97],"BeCO3","MgCO3","CaCO3","BaCO3","下列碳酸盐中热稳定最高的是",{"answer":100,"createTime":82,"id":101,"options":102,"question":107,"source":30,"type":31},[],192374920,[103,104,105,106],"重晶石BaSO4","生石膏 CaSO4\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8deac42e6e55d3bee9bfcac6a7791267.webp\">2H2O","芒硝Na2SO4","萤石CaF2","下列矿物的化学式错误的是"]