英语翻译摘要：化学键（）一般可分为离子键、共价键和金属键.化学键是决定物质化学性质的主要因素.从离子键形成的本质来介绍离

Abstract:bond () can generally be divided into a single,JinShuJian and ionic.Bonds are the main factors of chemical properties.From the essence of ionic form to introduce held.To combine theory and modern heterozygous orbital theory to explain covalent bond.Modern combine theory:1.The basic points and form.2 or,Three types of single,4.A single concept and forming conditions.The hybrid orbital theory:sexual heterozygous and range of the hybrid.JinShuJian free-electron gas from the classical model of development to JinShuJian band theory,the formation of JinShuJian essence and physical properties of metal crystals.