Classification of Matters

There are two types of classification of matters as follows:

Physical classification:

I. Solid: In the solid form, the constituent particles are very closed. Due to it they can’t move. So, solids have definite shape and volume.

II. Liquid: In the liquid form, the constituent particles have some space to move. Due to it they can easily move. So, liquids have definite volume but not definite shape.

III. Gas: In the gaseous form, the constituent particles are very far from each other due to which they can move freely. So, Gases have neither definite shape nor definite volume.

IV. Plasma: If a gas is heated till a very high temperature, its atoms and molecules starts to strike with each other due to which electrons come out of the atom. Thus, negative and positive ions freely move and the gas becomes a conductor of electricity. This state is called the plasma state.

V. Bose-Einstein Condensate(BEC): When a gas is cooled till a critically low temperature near absolute zero, BEC is observed. In such a situation different atoms and molecles of a gas loose their ability to move. This state was imagined by an Indian scientist Satyendra Nath Bose and Albert Einstein.

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