挑战习题
1/5单选题
难度:

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
提示1:
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正确答案:Qw==
Qe+8juaLieeTpumUoemmluWFiOmAmui/h+WunumqjOmqjOivgeWHuuepuuawlOaYr+eUseawruawlOWSjOawp+awlOe7hOaIkOeahOe7k+iuuu+8jOaVhUHplJnor6/vvJsgPGJyPkLvvI7ms6LlsJTmmK/ph4/lrZDlipvlrabliJvlp4vkurrvvIzmlYVC6ZSZ6K+v77ybPGJyPkPvvI7pl6jmjbfliJflpKvlj5HnjrDlhYPntKDlkajmnJ/lvovlubbnvJbliLblh7rlhYPntKDlkajmnJ/ooajvvIzmlYVD5q2j56Gu77ybPGJyPkTvvI7pgZPlsJTpob/mj5Dlh7rkuobov5Hku6Pljp/lrZDlrabor7TvvIzmlYVE6ZSZ6K+v77yOPGJyPuaVhemAiUPvvI4=