10.2.1 The Structures of Metal Crystals Metal crystals are metal atoms or ions link with metallic bond Metallic bond have no direction, Metal atoms in crystal with ligand,high. Metallic bond characteristics can explain the characteristics of metal,Such as:burnish,conductivity resistance,ductility,etc. Metal crystal structure:the ball diameter,etc
Metal crystals are metal atoms or ions link with metallic bond . Metallic bond have no direction ， Metal atoms in crystal with ligand, high. Metallic bond characteristics can explain the characteristics of metal, Such as: burnish, conductivity , resistance, ductility, etc. 10.2.1 The Structures of Metal Crystals Metal crystal structure: the ball diameter, etc
10.2.2 Packing Spheres Arrangements of particles in metal crystals(金属晶体中 粒子的排列方式) The main three types(常见的有三种)： ●Hexagonal Close Packing(六方密堆积)； ●Face-Centered Cubic Close Packing(面心立方密堆积)； ●Body-Centered Cubic Packing(体心立方堆积)
Arrangements of particles in metal crystals(金属晶体中 粒子的排列方式 ) The main three types(常见的有三种 ) ： zHexagonal Close Packing(六方密堆积 ) ； zFace-Centered Cubic Close Packing(面心立方密堆积); zBody-Centered Cubic Packing(体心立方堆积 ) 10.2.2 Packing Spheres
1.Hexagonal close-packing:(hcp) Each third-layer sphere is directly over a first-layer sphere.The layers repeat in their pattern in the manner ABAB... coordination'”number(配位数)：12 Spatial occupancy factor(空间占有率)：74.05%（自己计算
1.Hexagonal close-packing: (hcp) Each third-layer sphere is directly over a first-layer sphere. The layers repeat in their pattern in the manner ABAB… “coordination” number(配位数)：12 Spatial occupancy factor (空间占有率):74.05%(自己计算)
高等化学教学资源库⊙等教满出围性 "coordination'”numbere(配位数)：12 Spatial occupancy factor(空间占有率)：74.05%（自己计算
“coordination” number(配位数 ) ：12 Spatial occupancy factor (空间占有率):74.05%(自己计算
2.Face-centered cubic close-packing:(fec) Each third-layer sphere fits into a depression that is directly over a depression in the first layer.The pattern is repeated ABCABC... "coordination number?'(配位数)：12 Spatial occupancy factor(空间占有率)：74.05%
2. Face-centered cubic close-packing: (fcc) “coordination number”(配位数 ) ：12 Spatial occupancy factor (空间占有率): 74.05% Each third-layer sphere fits into a depression that is directly over a depression in the first layer. The pattern is repeated ABCABC…