Questions and Answers
What is a mixture?
What defines a pure substance?
Which of the following describes a homogeneous mixture?
Which of the following describes a heterogeneous mixture?
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What is an element?
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What are compounds?
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Study Notes
Classification of Matter
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Mixture
- Composed of multiple substances.
- Contains more than one type of matter, which may vary in composition.
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Pure Substance
- Consists of only one type of substance.
- Uniform in composition and properties throughout.
Types of Mixtures
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Homogeneous Mixture
- Mixture with the same phase throughout.
- Exhibits uniform composition and properties.
- Examples include salt dissolved in water and alloys like gold mixed with copper.
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Heterogeneous Mixture
- Mixture containing multiple phases.
- Non-uniform composition, where components do not mix well.
- Examples include a mixture of sand and water or chocolate chip cookies.
Key Entities
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Element
- A pure substance made up of only one type of atom.
- Identified by a unique chemical symbol, such as carbon (C) or silver (Ag).
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Compounds
- Pure substances formed from different kinds of atoms.
- Represented by a chemical formula, such as carbon dioxide (CO2) and pure water (H2O).
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Description
Explore the concepts of mixtures and pure substances with these flashcards. Learn about homogeneous and heterogeneous mixtures, including their definitions and examples. This quiz is essential for understanding the basic principles of matter classification.
