| 词汇 | covalent |
| 释义 | covalent adjective chemistry specializeduk /kəʊˈveɪ.lənt/ us /koʊˈveɪ.lənt/ involving two atoms sharing one or more pairs of electrons that hold them together: 共价的 The covalent binding of drugs to receptors results in stable long-lasting complexes.药物与受体的共价结合会形成稳定持久的复合物。 In covalent solids, such as carbon and silicon, covalent bonds form between neighbouring atoms by electron sharing. 在碳和硅等共价固体中，相邻原子之间通过电子共享形成共价键。 This provides evidence that the bonding in aluminium oxide is not purely ionic nor is it purely covalent. See also covalent bond Related word covalently The figure shows examples of the formation of simple covalent molecules. He is best known for Fajans's rules, which predict the degree of covalent or ionic character in the bonds between atoms in a compound. Like liquids, solids may be metallic, ionic or covalent. Cells actin anaphase anti-platelet assort axoplasm histography homologous chromosomes infiltration intercellular intermitotic nerve fibre neurofibril neurofibrillary neuroglia neuroglial tetrad thrombocyte thymocyte turgor unciliated |
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