为什么原子晶体都是SP3杂化？我以为原子晶体一般是第VA族元素构成的，4条单键，就算是BN，也有一 VA族元素包括氮（N）、磷（P）、砷（As）、锑（Sb）、铋...
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原子晶体的定义中有一条是必须成空间网状结构,而能达到这一标准的必然是sp3杂化。配位键只是成键原理不同,成键后各种性质与普通共价键没区别。并不是，石墨是sp2杂化的
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