how do arrangement of molecules affect the state of a matter?
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Answer:
In a solid, particles are packed tightly together so they don't move much. The electrons of each atom are constantly in motion, so the atoms have a small vibration, but they are fixed in their position. Because of this, particles in a solid have very low kinetic energy.
solids have a definite shape, as well as mass and volume, and do not conform to the shape of the container in which they are placed. Solids also have a high density, meaning that the particles are tightly packed together.
In a liquid, the particles are more loosely packed than in a solid and are able to flow around each other, giving the liquid an indefinite shape. Therefore, the liquid will conform to the shape of its container.
Much like solids, liquids (most of which have a lower density than solids) are incredibly difficult to compress.
In a gas, the particles have a great deal of space between them and have high kinetic energy. A gas has no definite shape or volume. If unconfined, the particles of a gas will spread out indefinitely; if confined, the gas will expand to fill its container. When a gas is put under pressure by reducing the volume of the container, the space between particles is reduced and the gas is compressed.
The Arrangement Of Molecules Affect The State Of A Matter
- In solids, the molecules are closely packed which is why the positions of solids are practically fixed. That is why solids retain their shape and have a fixed volume. For example, a brick or a piece of chalk or a metallic pot does not change its shape or volume on its own.
- In liquids, the molecules are not packed as closely as in solids. Liquids, therefore, change their shape easily but not their volume on their own.
- In gases, the molecules are at a greater distance from one another as compared to solids and liquids. They are free to move. Gases have, therefore, neither a fixed shape nor a fixed volume. They take the shape and volume of the container they are kept in.
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