Matter and Change

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What is a chemical property?

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A characteristic of a substance that can only be observed during a chemical reaction, indicating how a substance interacts with other substances.

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What is an extensive property?

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A property that depends on the amount of matter in a sample, such as mass or volume.

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What is an intensive property?

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A property that does not depend on the amount of matter present, such as density or boiling point.

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What is a physical property?

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A characteristic of a substance that can be observed or measured without changing the substance's identity, such as color, mass, or state.

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What is a pure substance?

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A material that has a constant composition and consistent properties throughout, such as elements and compounds.

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What is a homogeneous mixture?

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A mixture that has a uniform composition and appearance throughout, such as saltwater.

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What is a heterogeneous mixture?

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A mixture that consists of visibly different substances or phases, such as salad or oil and water.

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What is inorganic chemistry?

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The branch of chemistry that deals with the study of inorganic compounds, which are compounds that do not contain carbon-hydrogen bonds.

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What is organic chemistry?

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The branch of chemistry that studies the structure, properties, composition, reactions, and synthesis of carbon-containing compounds.

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What is basic research?

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Research aimed at increasing fundamental knowledge and understanding of a subject without a specific application in mind.