Particles of solid have a fixed shape. Give reason?
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Solution
Definition of matter
Matter is made up of very small particles called atoms. Atoms are the building blocks of matter.
According to kinetic theory of matter, all matter exist in three states- solid, liquid, and gas
Solid state-
The particles are tightly packed.
The interparticle force of attraction is very strong.
The interparticle space is almost negligible and so the movement of particles is very limited and they move about their fixed position only.
kinetic energy of the particles is very low.
Solids have fixed shape and definite volume. Particles of solid cannot move easily from their position and so the solids are hard and difficult to compress.
The strong inter-particle force of attraction prevents the particles from sliding over each other and so the solids cannot flow.
