Hydrogen is a one - valence element.
氢是一价的元素.
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Valence is a sleepy little town just south of Lyon.
瓦朗斯是里昂南面一座寂静的小镇。
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Every element tends to satisfy both its primary and secondary valence.
每一元素倾向于既满足它的主价又要满足它的副价.
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The valence atom of an alkali - metal atom has two states.
碱金属原子的价原子具有两种能态.
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The secondary valence is directed toward fixed positions in space.
副介指向空间的确定位置.
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Halogen atoms contain seven electrons in their valence shell.
卤原子在它们的介电子层含有七个电子.
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The outer ring contains the valence electrons.
排在外层的有价电子.
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Carbon has a valence of four.
碳的化合价是四价.
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When it is in this condition, the atom is said to be in a valence state.
当它处于这种状态时, 这个原子就可说是处于价态.
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In the preceding section we discussed the valence bond ( VB ) or electron - pair theory of bonding.
在前面一节,我讨论了价键法——电子配对理论.
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Halogen atoms contain seven electrons in their valence shell, and , consequently, are monovalent.
卤原子在它们的价电子层含有七个电子, 因此是一价的.
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In the valence bond treatment , explicit recourse is made to classical, localized bond structure.
价键法明显依赖经典的定域结构.
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Two shared valence electrons forming a bond between adjacent nuclei.
形成电子核子之间的键的两个共享原子价电子.
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Elements 3 is a nonmetal with one valence electron.
元素3是带-1价的非金属元素.
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Tungstate ions were reduced to oxide with intermediate valence.
电沉积过程中,钨酸根被还原成中间价态的氧化物.
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