Elements, Compounds, & Mixtures

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What is a heterogeneous mixture?

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A heterogeneous mixture is a type of mixture where the components are not uniformly distributed, and different parts can be seen and separated, such as Italian salad dressing.

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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, where the individual components are not distinguishable, such as saltwater.

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What is an element?

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An element is a pure substance that consists of only one type of atom and cannot be broken down into simpler substances.

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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, such as water (H2O).

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What is a solution?

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A solution is a homogeneous mixture where one substance (solute) is dissolved in another (solvent), like sugar in water.

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What is a solute?

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A solute is the substance that is dissolved in a solution, such as salt in saltwater.

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What is a solvent?

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A solvent is the substance in which the solute is dissolved, typically present in greater amount, like water in a saltwater solution.

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What is an insoluble substance?

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An insoluble substance is one that does not dissolve in a solvent, such as sand in water.

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What is the difference between a mixture and a compound?

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A mixture is a combination of two or more substances that retain their individual properties, while a compound is a substance formed from two or more elements that are chemically bonded.

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What is an example of a compound?

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An example of a compound is carbon dioxide (CO2), which consists of carbon and oxygen atoms.