Question

What are the characteristics of the particles of matter?

Answer 1

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Characteristic of the particles of matter -

• Particles are very small.

• Particles move continuously.

• Particles have space between them. ( Interpartical spaces)

• Paricles attracts each other.

• Particles are very tiny in the size.

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Matter - Anything that occupies space and has mass is called matter.

• Example - Iron, air, table, pen, chair, fan, ice cube etc.

States of matter -

• Solid → Liquid → Gas.

Solid

• Solid have fixed shape as well as fixed volume.
• The inter particles forces of attraction are strongest in solids.
• Solids do not flow.

Liquid -

• Liquid have a fixed volume but do not have fixed shape.
• Liquids can be diffuse more than solid.
• The inter particle forces of attraction in liquid are weaker than solids.

Gas -

• Gas do not have fixed shape and fixed volume.
• Gases can be easily compressible.
• Gases have very low densities. They are very light.

Answer 2

The characteristics of particles of matter are:

(a) Presence of intermolecular spaces between particles.

(b) Particles are in constant motion.

(c) They attract each other.