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85问答库 > P4 PCl5 是同类型化学键结合的吗？金刚石和碳化硅的结合方式呢？

P4 PCl5 是同类型化学键结合的吗？金刚石和碳化硅的结合方式呢？

2025-03-31 07:15:03

推荐回答（1个）

回答1：

不是，P4是非极性共价键，PCl5是极性共价键。

金刚石中，碳原子以四面体成键方式互相连接，组成无限的三维骨架；碳化硅至少有70种结晶型态，其中 β-碳化硅为立方晶系结构，与金刚石相似，但Si－C键同样是极性共价键，不同于C－C键。

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