Chemistry: Classification of Matter

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What is matter?

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Matter is anything that has mass and takes up space.

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What are the two main classifications of matter?

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Matter is classified into two main categories: pure substances and mixtures.

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What is a pure substance?

Back

A pure substance is a material that has a constant composition and consistent properties throughout.

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What is a mixture?

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A mixture is a combination of two or more substances that retain their individual properties.

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What is an element?

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An element is a pure substance that cannot be broken down into simpler substances by chemical means.

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What is a compound?

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A compound is a pure substance formed when two or more elements are chemically bonded together.

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What is a homogeneous mixture?

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A homogeneous mixture is a mixture that has a uniform composition and appearance throughout.

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What is a heterogeneous mixture?

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A heterogeneous mixture is a mixture that has a non-uniform composition and the individual components can be seen.

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What is a chemical change?

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A chemical change is a process that involves the transformation of one or more substances into different substances.

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What is a physical change?

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A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.