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fe3c中铁几价
更新时间: 2020-07-09 00:00:00  

碳化铁中铁的化合价为正一价。

铁的主要价态为正二正三价,其余次要价态有负二、负一、零价、正一、正四、正五、正六。具体化合价由物质的结构决定,这种物质叫碳化铁,在冶金上称为渗碳体。结构方面简单的说属于正交晶系晶体,每个碳原子被六个位于顶角位置的铁原子所包围,成八面体结构,每个铁原子又为两个八面体共用。即碳原子配位数为6,铁原子配位数为2,由化合价代数和为零可知铁是正一价,碳是负三价。

关键词: fe3c

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