钾在化合物中的原子价是1。
(化学)有五个原子价的。
原子数，原子价，化合价。
磷在化合物中的原子价为3或5，工业用途很多。
Phosphorus has valence 3 or 5 in compounds, which have many USES in industry.
它能与几乎所有其它元素化合，原子价为2、4或6。
It combines, with valence 2, 4, or 6, with nearly all other elements.
给出了高压下费米面移动、能带展宽和各晶位原子价变化的定量结果。
The quantitative results about shift of Fermi surface, widening of energy band width and varying of atomic valence of each crystal site are given.
加上钪和钇，一起组成稀土金属。它们的原子都有相似的配置，以及相似的物理和化学行为，最常见的原子价是3和4。
With scandium and yttrium they make up the rare earth metals. their atoms have similar configurations and similar physical and chemical behaviour; the most common valences are3and4
加上钪和钇，一起组成稀土金属。它们的原子都有相似的配置，以及相似的物理和化学行为，最常见的原子价是3和4。
With scandium and yttrium they make up the rare earth metals. their atoms have similar configurations and similar physical and chemical behaviour; the most common valences are3and4
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