Wednesday 17 June 2015

properties of states of matter

Everyday elements and compounds form three physical states of matter, however there are many other states, less common but equally important.
The liquid-crystal state of certain compounds has the properties of solids as well as liquids, and is the basis of electronic displays. More states are obtained when the particles are lighter..
Thus matter depending upon its physical state is categorised as solid, liquid and gaseous states.
·         Solids have a definite volume and shape: Definite shape and volume of the solids is result of strong forces of attraction between its constituent particles which keep them together in a fixed position and arrangement.
·         Liquids also have a definite volume but no definite volume: They take shape of the container in which they are placed. This is due to relatively weaker force of attraction among the particles of liquid.
·         Gases have neither a definite volume nor a definite shape: They fill the container completely in which they are placed. This is due to the fact that the force of attraction among the particles of liquids is almost zero and they are free to move independently to each other.
Distiniction Among Different States of Matter 

S.No
Property
Solid
Liquid
Gas
1
Shape
Definite shape
Indefinite shape
Indefinite shape
2
Volume
Definite Volume
Definite Volume
Indefinite Volume
3
Inter particular Forces
Strong Inter particular Forces
Comparatively weaker  Inter particular Forces
Inte rparticular forces are negligible
4
Inter particular Space
Negligible inter particular space
Comparatively large inter particular space
Very large Inter particular space
5
Particular Motion
Particle motion is restricted to vibratory motion.
Particle motion is very slow
Particle motion is very rapid and also random.
6
Packing of Particles
Particles are very Closely packed
Particles are loosely packed
Particles are very loosely packed
7
Compressibility 
Incompressible
Compressible
Highly Compressible
8
Density 
Very High Density 
Low Density 
Very low density 

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