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。
The close correspondence between the observed properties of gallium and Mendeleyev's predictions for eka-aluminum lent strong support to the periodic law.
那么,让我们举一个小例子来看一下,你是如何不能将元素周期律用在所有地方的,它是有局限性的。
So, let's just take a quick example to show how not completely you can use these periodic trends, that there are limits.
好的,这是一个关于使用元素周期律的反例。
All right. So that is an anti-example of using periodic trends.
他最早向国内读者介绍了化学元素周期律,也是制订有机物系统名称的第一个人。
He was the earliest one to introduce to domestic readers the periodic law of chemical elements, as well as the first person to work out systematic terms for organic compounds.
本文阐述了元素周期表的发现过程,并由此而总结出科学与哲学关系在周期律中的应用。
The article expound the discovering course of element cycle table and from it summarize the relationship of scieme and philosophy inthe application of element cycle law.
稀有气体(亦称惰性气体):通常排列在周期律中最右边一族的六种化学元素:氦、氖、氩、氪、氙和氡。
Noble gas (or inert gas) : Any of the six chemical elements that make up the rightmost group of the periodic table as usually arranged: helium, neon, argon, krypton, xenon, and radon.
提出了一种新的元素周期律的阵列式图示方法。
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。
A new method to present the periodic law, the visual graphic form of the periodic system of elements, is proposed in this paper.
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