Unit 2 Retake Review

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Corrosion

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A chemical property that describes the gradual destruction of materials, usually metals, due to chemical reactions with their environment.

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Condensation

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A physical change where a substance transitions from a gas to a liquid state, often due to cooling.

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Conductivity

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A physical property that measures a material's ability to conduct heat or electricity.

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Scrambling eggs

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A physical change that involves the alteration of the physical state of eggs without changing their chemical composition.

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Compound

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A substance formed when two or more different elements are chemically bonded together, represented by a chemical formula that shows the ratio of elements.

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Element

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A pure substance that cannot be broken down into simpler substances by chemical means, consisting of only one type of atom.

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Homogeneous Mixture

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A mixture that has a uniform composition and appearance throughout, such as saltwater.

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Heterogeneous Mixture

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A mixture that consists of visibly different substances or phases, such as a salad.

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Chemical Change

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A process that involves the transformation of substances into different substances with different properties.

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Physical Change

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A change that affects one or more physical properties of a substance without altering its chemical composition.