Concept explainers
Interpretation:
The correct answer from the given statements is to be determined.
Concept introduction:
Everything in this universe is made up of materials which scientist have named matter. Food, air, cloths, stone, etc are matter. There are three

Answer to Problem 15STP
E. Liquid because particles are flowing past one another.
Explanation of Solution
Reason for correct option: E. Liquid, because particles are flowing past one another. Liquid particles have no fixed shape but have a fixed volume. Liquid particles are closely packed than gas particles. They have strong intermolecular attractions, they can flow and move past one another.
Reason for incorrect option:
- Solid, because the particles are tightly packed against one another. Solid particles are very tightly packed and there is no space between the particles.
- Gas, because the particles are flowing past one another. Gas particles can move freely and there is large space between the gas molecules.
- Liquid, because the particles are able to move freely. In liquid molecules, the particles are held to close proximity to each other via intermolecular attraction. Liquid particles are not able to move independently and break away.
- Solid, because there is a regular pattern to the particles. It is not shown clearly in the given figure.
Chapter 7 Solutions
Chemistry: Matter and Change
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