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Questions and Answers
What is matter?
What is matter?
- Anything that has mass and takes up space (correct)
- Anything that is visible to the naked eye
- Anything that has color and odor
- Anything that is in liquid form
How can matter be classified based on its physical state?
How can matter be classified based on its physical state?
- Organic, inorganic, or synthetic
- Conductor, insulator, or semiconductor
- Metal, non-metal, or metalloid
- Solid, liquid, or gas (correct)
What distinguishes amorphous solids from crystalline solids?
What distinguishes amorphous solids from crystalline solids?
- Their particles are randomly distributed without any long-range pattern (correct)
- They are highly compressible
- They take the shape of the container they are in
- Their particles are arranged in an orderly geometric pattern
What is a characteristic of crystalline solids?
What is a characteristic of crystalline solids?
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What is a characteristic of liquids?
What is a characteristic of liquids?
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Study Notes
Matter
- Matter is anything that takes up space and has mass.
States of Matter
- Matter can be classified based on its physical state, which describes its rigidity, compressibility, and ability to flow:
- Solid: Rigid, incompressible, does not flow easily.
- Liquid: Not rigid, relatively incompressible, flows easily.
- Gas: Not rigid, compressible, flows easily.
Crystalline vs. Amorphous Solids
- Crystalline solids: Have a highly ordered arrangement of atoms or molecules in a repeating pattern. This results in a defined shape and melting point.
- Amorphous solids: Have a disordered arrangement of atoms or molecules. They lack a defined shape, and their melting point is not distinct and occurs over a range of temperatures.
Characteristics of Liquids
- Fluidity: Liquids flow readily, as the particles composing liquids can move past each other.
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