Advertisements
Advertisements
प्रश्न
Give the molecular model for a solid and use it to explain why a solid has a definite volume and a definite shape.
Advertisements
उत्तर
Here the molecules are very tightly packed that there is no or very less intermolecular space and there is a high intermolecular force of attraction (force of cohesion).
The molecules do not move about their mean position and thus solids have a definite shape and volume.
APPEARS IN
संबंधित प्रश्न
Evaporation of a liquid causes cooling.
The melting point of ice is 0°C.
Write true or false For the following Statement
The molecules in a substance arc in random motion.
A gas has neither a definite volume nor a definite shape. Describe the molecular model to explain it.
Why do solids, liquids, and gases differ in their physical states?
State the general properties of a solid.
Give reason :
Why do liquids and gases flow but solids do not?
Fill in the blank
Any matter which has a definite ................. but no definite shape is called a ...............
Fill in the blank
Water boils at .............
Match the arrangement of atoms in the three states of matter in List I with the correct state in List II.
| List I | List II |
| 1. Arrangement of atoms is far apart | A: Solids |
| 2. Force of attraction between atoms is very strong | B: Liquids |
| 3. Movement of atoms is in any random direction | C: Gases |
| 4. Particles diffuse very easily | |
| 5. Particles show movement about their own position |
