states of matter

states of matter - CHAPTER 5 STATES OF MATTER 5.1 The...

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5.1 The Physical Status of Matter There are mainly three different kinds of the physical states of matter, namely: - Solid - Liquid - Gas Plasma a fourth class of matter has also been identified. These states of matter are also termed as phases. 1) Solid : Solids are characterized by their definite shape and also their considerable mechanical strength and rigidity. Solids tend to resist the deformation of their shape due to strong intra molecular forces and ab- sence of the translatory motion of the structural units (atoms, ions etc). A solid is relatively non compressible, i.e. temperature and pressure have only a slight effect on its volume. Solids are broadly classified as crystalline or amorphous. Crystalline solids : Here the atoms are arranged in a definite pattern which is constantly repeated. Amorphous solids : These have no definite geometrical form. 2) Liquid : A liquid has no definite shape and it takes the shape of the vessel containing it. Like solids, the volume of a liquid is slightly altered
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This note was uploaded on 07/31/2011 for the course CHEM 102 taught by Professor Henshaw during the Spring '08 term at VCU.

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states of matter - CHAPTER 5 STATES OF MATTER 5.1 The...

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