2.Face-centered cubic close-packing:(fcc) 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…