原子数，原子价，化合价。
有元素化合价升降的反应是氧化还原反应。
The reaction in which the valence of elements raises or downs is REDOX reaction.
介绍用化合价升降法配平无机、有机氧化还原反应方程式。
This article introduces a new method that oxidation-reduction equation is balanced by ion-electron-charge.
它们的化合价都是1。它们各有一个电子可借给其他原子。
Each has a combining power of one. They each have one electron to lend to anther atom.
(化学)具有一个以上的化合价的，或具有三价或更高价的。
(Chemistry) having more than one valence or having a valence of 3 or higher.
(化学)具有一个以上的化合价的，或具有三价或更高价的。
(Chemistry) having more than one valence or having a valence of 3 or high er.
硅原子占据了氧原子之间的空隙并且和四个氧原子共用化合价。
The silicon atom occupies the space opening( interstice)between the oxygen atoms and shares four valence electrons with the four oxygen atoms.
还利用锰的平均价态的测试结果分析了掺杂物质与锰的平均化合价的关系。
The relation of the mean valence of manganese and the doping is investigated by analyzing the results of the experimental.
在离子化合物中，正、负离子的比例严格遵守化学公式定义的化合价关系。
For ionic compounds, the state of having exactly the ratio of cations to anions specified by the chemical formula.
这些元素，不像过渡金属那样显示出可变的化合价，他们只有最外层电子参加反应。
These elements, unlike the transition elements, do not exhibit variable oxidation states, and their valence electrons are only present in their outer shell.
过渡族金属氧化物由于具有多种化合价形式和特殊的结构而在许多领域有广泛的应用。
Transition metal oxides were widely used in different areas due to their multi-form of oxidation states as well as their special crystal structures.
报道了烷基碳原子数和钼的化合价对硫磷钼型极压添加剂(简称极压剂)的极压抗磨性能的影响。
The effect of alkyl carbon Numbers and the valence of Mo on the performance of extreme pressure additive was investigated.
所有的碱土金属元素的化合价都是+2，这使他们非常活泼，因为他们非常活泼，也不在自然界中直接出现。
All alkaline earth elements have an oxidation number of +2, making them very reactive. Because of their reactivity, the alkaline metals are not found free in nature.
它是含有0.01 ~6摩尔%范围的金属元素化合价为3价、4价或5价的任意一种的金属氧化物的氧化镁蒸镀材料。
The magnesium oxide vapor-deposition material comprises metal oxide in which the valence of the metallic element (s) is any of 3, 4 and 5 in the range of 0.01 to 6 mol %.
它是含有0.01 ~6摩尔%范围的金属元素化合价为3价、4价或5价的任意一种的金属氧化物的氧化镁蒸镀材料。
The magnesium oxide vapor-deposition material comprises metal oxide in which the valence of the metallic element (s) is any of 3, 4 and 5 in the range of 0.01 to 6 mol %.
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