您要查找的是不是：
- Bohr rs periodic table 波尔周期表
- A column in the periodic table of the elements. 属，族元素周期表上的一栏
- Mendelyeev rs periodic table 门捷列夫周期表
- Dhaatu: The Periodic Table of Elements. 这个元素周期表。
- The position of an element in the periodic table. 元素在周期表中的位置
- The periodic table now contains all the elements known to man arranged in their proper sequence. 现在周期表包括人类已知的全部元素，这些元素按适当的顺序排列起来。
- Silicon is one of the most studied elements in the periodic table. 硅是周期表中最熟悉的元素之一。
- The tendency of chemical elements with similar positions in the periodic table to have similar properties. 周期律化学元素在周期表中有相似位置时具有相似特性的趋势
- A vertical column in the periodic table of elements. 族周期表中的纵。
- Bohr rs correspondence principle 对应原理
- Russian chemist who first devised and published the periodic table of the elements(1869). 门捷列夫，季米特里·伊凡诺维奇1834－1907俄国化学家，是第一个设计并出版元素周期表的人(1869年)
- Bohr rs corre-spondence principle 波尔对应原理
- The periodic table would appear thus to have won a temporary reprieve. 元素周期表的修改貌似要减缓咯。
- The periodic table categorizes some groups of atoms in the form of columns. 周期表以行的格式将原子分成一些群组。
- In the periodic table of elements, each element has its own place and number. 在元素周期表中，各个元素都有自己的位号。
- What I found especially interesting was the elegance and predictive power of the periodic table. 我发现特别有趣的是元素周期表的精确设计和它的预测能力。
- According to Mendeleyev's periodic table, there seem to be still some elements undiscovered yet . 按照门捷列夫周期表，似乎还有一些元素尚未发现。
- This book,which was a simple outline of the periodic table and atomic structure,impressed me greatly. 这本书简明地概述了元素周期表和原子的结构，给我留下了极为深刻的印象。
- According to Mendeleyev's periodic table ,there seem to be still some elements undiscovered yet . 按照门捷列夫周期表，似乎还有一些元素尚未发现。
- Russian chemist who devised the first periodic table of the chemical elements (1834-1907). （1834-1907）设计出第一个化学元素周期表的俄国化学家。
