STATES OF MATTER We can classify matters into 3 types:- Solids Liquids Gas In this chapter, we will be discussing only Solids. SOLIDS In our daily life, we see many types of solid objects. Some of which can easily break and some of which are very hard. Some with a very shiny surface and some with no lustre at all. These are some of the physical features of a solid. They can be classified into two types on the basis of there crystal type:- Crystalline Amorphous Crystalline types are those whose structure is ordered in the entire Lattice. For Example, Diamond, Crystalline Glass etc. Amorphous are those whose structure is not ordered or ordered in a very small region. For Example, Graphite, Glass, etc. The Crystalline solids have a different unit constituent. The lattices formed by these units are called Bravais Lattices . There are basically 14 types of lattices. I have uploaded the structures from Wikipedia and no need t...
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