Chemistry: Classification of Matter

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What is matter?

Back

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.

Front

What is a pure substance?

Back

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

Front

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 substance formed when two or more elements are chemically bonded together.

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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.

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What is a chemical change?

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A chemical change is a change that results in the formation of new chemical substances.

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What is a physical property?

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A physical property is a characteristic of a substance that can be observed or measured without changing its identity.

Front

What is a chemical property?

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A chemical property is a characteristic that can only be observed during a chemical reaction.