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 are chemically bonded 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 and can be separated by physical means.

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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 heterogeneous mixture?

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A heterogeneous mixture is a mixture that has visually distinguishable components, meaning you can see the different parts.

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What is a homogeneous mixture?

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A homogeneous mixture is a mixture that has a uniform composition throughout, meaning the different components are not distinguishable.

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What is a molecule?

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A molecule is the smallest unit of a chemical compound that retains its chemical properties, consisting of two or more atoms bonded together.

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What is the difference between a compound and a mixture?

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A compound is a substance formed from two or more elements chemically bonded, while a mixture is a combination of substances that are not chemically bonded.

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What is an example of a compound?

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

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What is an example of a mixture?

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Salad is an example of a mixture, as it contains various ingredients that are not chemically bonded.

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What is a colloid?

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A colloid is a type of mixture where tiny particles of one substance are evenly distributed throughout another substance.