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Notes on second characteristics of matter particles

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Answered by tinu21
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Matter: Characteristics Of Particles Of Matter

A matter is anything that has mass and occupies space. Pen, paper, clips, sand, air, ice, etc. are different forms of matter. Every matter is made up of tiny particles. These particles are so tiny that they can’t be seen with naked eyes. Let’s learn about different characteristics of particles of matter.

CHARACTERISTICS OF THE PARTICLES OF MATTER

As mentioned earlier, every substance is made up of particles. These particles exhibit some characteristics. They can influence the state and properties (physical and chemical) of a substance. The three characteristics shown by particles of matter are as follows.

1. PARTICLES HAVE SPACE BETWEEN THEM

There are small voids between every particle in a matter. This characteristic is the concept behind the solubility of a substance in other substances. Let’s try to understand this with an illustration.
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2. PARTICLES ARE CONTINUOUSLY MOVING

Particles of the matter show continuous random movements. The kinetic energy they possess helps them in this movement.  The spreading of ink in a beaker of glass, the smell comes from agarbattis, etc. are few illustrations that show the movement of particles of a substance. When the particles of two different types of matters intermix on their own, the phenomenon is called diffusion.


Diffusion

Diffusion of particles becomes fast when the temperature is increased. A rise in temperature increases the kinetic energy of the particles, making them move more vigorously.

3. PARTICLES ATTRACT EACH OTHER

Take an iron rod, a chalk, and a pen. Try to break each one of these. Which one of these is easy to break? The iron rod is stronger than the other two items. What makes an item stronger? Yes, it’s the particles in them which are held by the inter-particle force of attraction.
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Physical Properties Of Matter

Since a long time, scientists have been researching about chemical and physical properties of matter. In simple terms, they define matter as something which has mass and occupies space (that is volume). Hence everything we see around us is matter. For example, stars that twinkle, the sun that shines, the food we eat, bricks we use to make buildings, water in oceans and rivers, rocks that form mountains etc. 

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