[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fs7k0NFBjUcMWb0CDnIZnflfOPz9BjPbxo9PrFeM3Hi8":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2025-05-30 17:08:10",192374920,[8,9,10,11],"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",{"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","下列矿物的化学式错误的是",[21,33,42,51,60,69,78,87,96,105],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2025-05-30 17:08:09",192374892,[26,27,28,29],"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":34,"createTime":23,"id":35,"options":36,"question":41,"source":31,"type":32},[],192374893,[37,38,39,40],"Be","K, Ru, Cs","IIA","Li","至今未发现有过氧化物的是",{"answer":43,"createTime":23,"id":44,"options":45,"question":50,"source":31,"type":32},[],192374894,[46,47,48,49],"LiF","RbCl","LiCl","BeCl2","下列卤化物中,共价性最强的是",{"answer":52,"createTime":23,"id":53,"options":54,"question":59,"source":31,"type":32},[],192374896,[55,56,57,58],"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":61,"createTime":23,"id":62,"options":63,"question":68,"source":31,"type":32},[],192374898,[64,65,66,67],"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":70,"createTime":23,"id":71,"options":72,"question":77,"source":31,"type":32},[],192374900,[73,74,75,76],"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":79,"createTime":23,"id":80,"options":81,"question":86,"source":31,"type":32},[],192374903,[82,83,84,85],"1","2","3","4","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\">",{"answer":88,"createTime":5,"id":89,"options":90,"question":95,"source":31,"type":32},[],192374908,[91,92,93,94],"Be(OH)2","Mg(OH)2","Ca(OH)2","LiOH","下列氢氧化物中碱性最强的是",{"answer":97,"createTime":5,"id":98,"options":99,"question":104,"source":31,"type":32},[],192374915,[100,101,102,103],"BeCO3","MgCO3","CaCO3","BaCO3","下列碳酸盐中热稳定最高的是",{"answer":106,"createTime":5,"id":6,"options":107,"question":19,"source":31,"type":32},[],[8,9,10,11]]