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汉语拼音：lí zǐ huà hé wù

由离子键形成的化合物。如氯化钠(nacl)、氟化钙(caf2)等。nacl、caf2等只表示离子晶体中离子的个数比，所以是它们的化学式，而不是分子式。

• Such a substance's chemical formula describes the simplest ratio of the number of atoms of the constituent elements. See also stoichiometry.

  这种离子化合物习惯上用表示各组成元素原子数最简比率的化学式即实验式来描述。

• Some ionic compounds form crystals that in-corporate a definite proportion of molecules of water as well as the ions of the compound itself.

  一些离子化合物形成含一定比例的水分子和离子化合物的晶体。

• For ionic compounds , the state of having exactly the ratio of cations to anions specified by the chemical formula .

  在离子化合物中，正、负离子的比例严格遵守化学公式定义的化合价关系。

• Dissociation is the breakdown of an ionic compound in water, resulting in the formation of free ions.

  解离：离子化合物在水中分解成为游离的离子。

• Ionic liquid is a kind of liquid ionic compounds at room temperature. It was developed as a new green reaction medium.

  离子液体是室温下表现为液体的离子化合物，近年来被开发成为一种新型绿色化学反应介质。

• The heats of formation of various ionic compounds show tremendous variations .

  各种离子化合物的生成热显示出有很大的差异。

• Synthesis, Structural Feature and Intercluster Interaction of a Series of Compounds Containing Binuclear Molybdenum(Tungsten) Cluster Anion

  系列含二核钼（钨）簇阴离子化合物的合成、结构特征和簇间相互作用

• bromine ammonium four cube bases ; four phenyl sodium boric acid ; organic compound

  四丁基溴化铵；四苯基硼酸钠；有机离子化合物；

• Ionic Compounds: Applications Of Chemistry To Mineralogy

  离子化合物：化学在矿物学的应用