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工作学习
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科技领域杂谈
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初中学化学,最重要的就是背好元素周期表。今天无意看到一篇讲元素周期表的发明者,俄国的门捷列夫。真了不起。
-
lier
(骑牛旅行者);
2010-3-25
{4945}
(#5969085@0)
Electron configuration is more important than the periodic table of elements. You do not need to memorize, but understand.
-
xiaohui
(xiaohui);
2010-3-27
(#5973689@0)
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