2004/09/28 | Werner配位理论[Werner's Coordination Theory]
类别(℃〖化学〗) | 评论(0) | 阅读(61) | 发表于 13:42
1. Most elements exhibit two types of valence: primary (oxidation number, denoted -----) and secondary (coordination number, denoted ).
2. Every atom tends to satisfy both primary and secondary valence.
3. The secondary valence is directed towards fixed directions in space.
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