2004/09/26 | γ键[Sigma Bond]
类别(℃〖化学〗) | 评论(0) | 阅读(35) | 发表于 12:37
The first covalent bond formed between two nuclei is always a sigma. Sigma bonds exhibit cylindrical symmetry to the internuclear axis. They are formed when two s orbitals, one s and one p orbital, two p orbitals, or two d orbitals overlap.
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