Element, Compound, Mixture

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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. It consists of only one type of atom.

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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. It has a fixed composition and distinct properties.

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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. Each substance retains its own properties.

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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. The individual components are not distinguishable.

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What is a Heterogeneous Mixture?

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A heterogeneous mixture is a mixture where the individual components can be seen and are not uniformly distributed.

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Example of an Element:

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Aluminum (Al) is an example of an element.

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Example of a Compound:

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Water (H2O) is an example of a compound.

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Example of a Homogeneous Mixture:

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Air is an example of a homogeneous mixture.

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Example of a Heterogeneous Mixture:

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Rocks and sand are examples of a heterogeneous mixture.

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What is the chemical formula for Sugar (sucrose)?

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The chemical formula for sugar (sucrose) is C6H22O11.