Class 4 listed the particles in a solid. Correct their mistakes.
| Particles in a solid | Tick (✔) if correct | Correct answer |
|-------------------------------|---------------------|----------------|
| are not moving | ✓ | |
| are arranged untidily | | |
| are all the same size | | |
| are tightly packed together | ✓ | |
| are all touching | ✓ | |
Write T or F beside each statement. Correct the false statements.
Answer (2)
To better understand the behavior of particles in a solid, let's evaluate each statement and correct any false ones:
Particles in a solid are not moving.
F : This statement is false. While particles in a solid are not moving freely as they are in gases or liquids, they are constantly vibrating in place. These small vibrations are due to thermal energy.
Particles in a solid are arranged untidily.
F : This statement is false. In a solid, particles are usually arranged in a very orderly and repeating pattern, which is why solids maintain a definite shape and volume. This orderly arrangement is often referred to as a lattice structure.
Particles in a solid are all the same size.
F : This statement is false. The particles in a solid might be atoms, ions, or molecules, which can be of different sizes depending on the elements or compounds that make up the solid.
Particles in a solid are tightly packed together.
T : This statement is true. One of the defining characteristics of solids is that their particles are tightly packed together, which gives them a definite shape and volume.
Particles in a solid are all touching.
T : This statement is true. In a solid, the particles are closely packed together to the point where they are touching or nearly touching each other, which helps solids maintain their structure.
By correcting the false statements, we gain a clearer understanding of how particles in solids behave. When particles vibrate in place and maintain an orderly and closely packed arrangement, they contribute to the solid's stability and structure.
The statements on the behavior of particles in solids were mostly incorrect. Particles do vibrate, are arranged in an orderly pattern, and can vary in size. Key characteristics include being tightly packed and often touching each other.
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