01 Physical Nature of Matter and Characteristics of Particles

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01 Physical Nature of Matter and Characteristics of Particles

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Topic Summary – Physical Nature of Matter and Characteristics of Particles

Anything which has mass and occupies space is called as matter.

Classification of Matter:

In ancient time, Indian philosophers classified matter in five basic elements air, earth, fire, sky and water called ‘Panch Tatva’. According to it, any living or nonliving things are made up of these elements.

Properties of Particles of Matter:

Intermolecular spaces: The particles of matter have spaces between them. Particle of one type of matter occupy spaces between other type of matter.

Motion:

Particles of matter posses kinetic energy, which allow them to move. As temperature increases, motion of particles increases. So kinetic energy also increases. Intermixing of particles of two different types of matter on their own is called as diffusion.

Force of Attraction:

Particles of matter have force of attraction acting between them. It varies from matter to matter.

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