Elements, Compounds and Mixtures

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What is a compound?

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A compound is a substance formed when two or more different elements chemically bond together.

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What is a mixture?

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A mixture is a combination of two or more substances that are not chemically bonded.

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What is an element?

Back

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

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What is a heterogeneous mixture?

Back

A heterogeneous mixture is a mixture in which the components are not uniformly distributed, and different parts can be seen.

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What is a homogeneous mixture?

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A homogeneous mixture is a mixture in which the components are uniformly distributed and cannot be distinguished from one another.

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What are pure substances?

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Pure substances are materials made of only one type of particle, which can be either elements or compounds.

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What is an example of a compound?

Back

Water (H2O) is an example of a compound, formed from hydrogen and oxygen.

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What is an example of an element?

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Oxygen (O) is an example of an element.

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What is an example of a homogeneous mixture?

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Saltwater is an example of a homogeneous mixture.

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What is an example of a heterogeneous mixture?

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Lucky Charms cereal is an example of a heterogeneous mixture.