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Questions and Answers
Particles that make up solids are closely ______ together.
Particles that make up solids are closely ______ together.
packed
The particles of liquids are closely packed, but not arranged in a ______ pattern like in solids.
The particles of liquids are closely packed, but not arranged in a ______ pattern like in solids.
regular
The particles in a solid are arranged in a regular pattern, forming a fixed ______.
The particles in a solid are arranged in a regular pattern, forming a fixed ______.
shape
The particles have more kinetic ______ than solid particles, allowing them to move.
The particles have more kinetic ______ than solid particles, allowing them to move.
Solids do not flow easily because the particles don’t ______ past one another.
Solids do not flow easily because the particles don’t ______ past one another.
The particles in a solid are tightly packed together and have little ______ between them.
The particles in a solid are tightly packed together and have little ______ between them.
The particles in a solid have strong attractive forces between them, which keep them in their fixed ______.
The particles in a solid have strong attractive forces between them, which keep them in their fixed ______.
Solids maintain a ______ shape even when transferred to another container.
Solids maintain a ______ shape even when transferred to another container.
Solids occupy a fixed amount of ______, which does not change even when transferred to a bigger container.
Solids occupy a fixed amount of ______, which does not change even when transferred to a bigger container.
Solids are usually denser than ______ and gases.
Solids are usually denser than ______ and gases.
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Study Notes
Properties of Solids
- Particles are tightly packed, with minimal space between them.
- Strong attractive forces maintain fixed positions and ensure solids retain shape and volume.
- Arranged in a regular pattern, which forms a definite shape that does not change upon transfer to another container.
- Solids have a definitive shape and volume, occupying a fixed amount of space that remains unchanged when moved to larger containers.
- Generally denser than liquids and gases due to tightly packed particles, preventing them from being compressible.
- Solids do not flow easily because particles can only vibrate in place without sliding past one another.
Properties of Liquids
- Particles are closely packed but lack a regular arrangement, allowing more movement compared to solids.
- Liquids possess more kinetic energy than solids, enabling particles to move and slide past each other, keeping them relatively close together.
- Liquids flow easily due to the presence of larger spaces between particles, facilitating movement.
Comparative Properties of Matter
- Shape: Solids maintain a definite shape; liquids and gases do not.
- Volume: Solids and liquids have definite volumes; gases do not.
- Compressibility: Solids and liquids exhibit low compressibility, while gases have high compressibility.
- Density: Solids have high density; liquids are less dense than solids, while gases have very low density.
- Ease of Flow: Solids do not flow easily; liquids and gases flow freely.
Intermolecular Forces
- Attractive forces between particles, known as intermolecular forces, impact the properties of matter.
- Solids exhibit the strongest intermolecular forces, resulting in definite shape and volume.
- Gases have the weakest intermolecular forces, allowing particles to be far apart and fill available space within a container.
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