元素周期律（Periodic Law) (4) 了解杂化轨道理论（hybrid orbital theory），并能用其解释分子的立体构型（spatial configuration）。
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... 定期帐目摘要 periodic account summary 定期隔离阀渗漏试验 periodic isolationvalve leak test 周期定律 periodic law ...
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periodic law of elements [化学] 元素周期律
mendeleev's periodic law 门捷列夫周期律
mendelev periodic law of elements 门捷列夫元素周期律
periodic law of elemen 元素周期律
periodic law of chemical elements 周期律
periodic law of geographic zonality 地理地带性周期律
Periodic law culture teaching 元素周期表
Periodic Law of the Elements 元素周期律
On Periodic Law 论周期律
同义词： Mendeleev's law
以上来源于: WordNet
N the principle that the chemical properties of the elements are periodic functions of their atomic weights or, more accurately, of their atomic numbers (元素)周期律 (Also called Mendeleev's law)
The close correspondence between the observed properties of gallium and Mendeleyev's predictions for eka-aluminum lent strong support to the periodic law.
镓表现出的性质与门捷列夫对“铝下元素”的预测密切对应，为周期律提供了有力的支持。
A new method to present the periodic law, the visual graphic form of the periodic system of elements, is proposed in this paper.
提出了一种新的元素周期律的阵列式图示方法。
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