问题
选择题
发现元素周期律和元素周期表,使化学学习和化学研究有规律可循,这位科学家是( )
A.汤姆生
B.门捷列夫
C.阿伏加德罗
D.道尔顿
答案
答案:B
发现元素周期律和元素周期表,使化学学习和化学研究有规律可循,这位科学家是( )
A.汤姆生
B.门捷列夫
C.阿伏加德罗
D.道尔顿
答案:B
阅读理解。 | |
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