本课配套习题挑战模式1/5
单选题
难度系数:
1.为纪念编制元素周期表的俄国化学家,人们把第101号元素(人工合成元素)命名为钔(元素符号为Md),这位科学家是
A: 拉瓦锡 |
B: 波尔 |
C: 门捷列夫 |
D: 道尔顿 |
一次做对,真牛!
+5奖励规则>
- 提示1:5YWD57Sg5ZGo5pyf6KGo5piv55Sx6Zeo5o235YiX5aSr5pyA5pep57yW5Yi255qE44CC
- 答案:Qw==
Qe+8juaLieeTpumUoemmluWFiOmAmui/h+WunumqjOmqjOivgeWHuuepuuawlOaYr+eUseawruawlOWSjOawp+awlOe7hOaIkOeahOe7k+iuuu+8jOaVhUHplJnor6/vvJsgPGJyPkLvvI7ms6LlsJTmmK/ph4/lrZDlipvlrabliJvlp4vkurrvvIzmlYVC6ZSZ6K+v77ybPGJyPkPvvI7pl6jmjbfliJflpKvlj5HnjrDlhYPntKDlkajmnJ/lvovlubbnvJbliLblh7rlhYPntKDlkajmnJ/ooajvvIzmlYVD5q2j56Gu77ybPGJyPkTvvI7pgZPlsJTpob/mj5Dlh7rkuobov5Hku6Pljp/lrZDlrabor7TvvIzmlYVE6ZSZ6K+v77yOPGJyPuaVhemAiUPvvI4=
本课配套习题挑战模式2/5
单选题
难度系数:
2.在元素周期表中,第一、二、三、四周期元素的数目分别是
A: 2、8、8、18 |
B: 2、8、18、18 |
C: 2、18、18、18 |
D: 2、8、18、32 |
一次做对,真牛!
+5奖励规则>
- 提示1:5qC55o2u5YWD57Sg5ZGo5pyf6KGo55qE5o6S5biD5Y+v5Lul55u05o6l6YCJ5Ye65q2j56Gu562U5qGI44CC
- 答案:QQ==
5YmN5Zub5Liq5ZGo5pyf5Lit5YWD57Sg55qE56eN57G75YiG5Yir5Li6MuOAgTjjgIE444CBMTjvvJs8YnI+5pWF6YCJQe+8jg==
本课配套习题挑战模式3/5
单选题
难度系数:
3.下列元素中不属于短周期元素的是
A: Na |
B: H |
C: O |
D: K |
一次做对,真牛!
+5奖励规则>
- 提示1:55+t5ZGo5pyf5YWD57Sg5piv5oyH5YmN5LiJ5ZGo5pyf55qE5YWD57Sg77yM5Lmf5bCx5piv5YmNMTjlj7flhYPntKDjgII=
- 答案:RA==
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
本课配套习题挑战模式4/5
单选题
难度系数:
4.石墨烯是仅由一层碳原子构成的新型材料,具有超强的导电性.下列元素与碳元素处于同一主族的是
A: He |
B: O |
C: Si |
D: P |
一次做对,真牛!
+5奖励规则>
- 提示1:5pys6aKY6aKY5bmy5Lit5YmN6Z2i55qE5L+h5oGv5bm25rKh5pyJ5aSq5aSn5Lu35YC877yM5Y+q6ZyA6KaB5om+5Yiw5LiO56Kz55u45ZCM5Li75peP55qE5YWD57Sg5Y2z5Y+v44CC
- 提示2:56Kz5Li64oWjQeaXj+WFg+e0oOOAgg==
- 答案:Qw==
QeOAgUhl5bGe5LqO56iA5pyJ5rCU5L2T77yM5aSE5LqO6Zu25peP5YWD57Sg77yM5pWFQeS4jeespuWQiO+8mzxicj5C44CBT+WFg+e0oOWOn+WtkOacgOWkluWxgueUteWtkOaVsOaYrzbvvIzlpITkuo7nrKzihaVB5peP77yM5pWFQuS4jeespuWQiO+8mzxicj5D44CBU2nlhYPntKDljp/lrZDmnIDlpJblsYLnlLXlrZDmlbDkuLo077yM5aSE5LqO56ys4oWjQeaXj++8jOaVhUPnrKblkIjvvJs8YnI+ROOAgVDlhYPntKDljp/lrZDmnIDlpJblsYLnlLXlrZDmlbDkuLo177yM5aSE5LqO56ys4oWkQeaXj++8jOaVhUTkuI3nrKblkIjvvJs8YnI+5pWF6YCJQ++8jg==
本课配套习题挑战模式5/5
单选题
难度系数:
5.关于元素周期表和元素周期律的应用有如下叙述:①元素周期表是同学们学习化学知识的一种重要工具;②利用元素周期表可以预测新元素的原子结构和性质;③利用元素周期表和元素周期律可以预言新元素;④利用元素周期表可以指导寻找某些特殊的材料.其中正确的是
A: 只有②③ |
B: 只有②③④ |
C: 只有③④ |
D: ①②③④ |
一次做对,真牛!
+5奖励规则>
- 提示1:5YWD57Sg5ZGo5pyf6KGo5YW35pyJ5LiA5a6a6KeE5b6L5ZKM5ZGo5pyf5oCn77yM5Zug5q2k5Zyo5YyW5a2m5a2m5Lmg5Lit55qE5bqU55So5b6I5aSa44CC
- 答案:RA==
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