Physical and Chemical Properties of Matter

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What is a chemical property?

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A characteristic of a substance that describes its ability to undergo a specific chemical change, such as rusting or flammability.

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What is a physical property?

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A characteristic of a substance that can be observed or measured without changing the substance's identity, such as color, hardness, or boiling point.

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What is an atom?

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The smallest unit of a chemical element, which retains the properties of that element.

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What is a molecule?

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A group of two or more atoms bonded together, representing the smallest fundamental unit of a chemical compound.

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What is reactivity?

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The tendency of a substance to undergo chemical reactions, either by itself or with other materials.

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What is solubility?

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The ability of a substance to dissolve in a solvent, forming a solution.

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What is hardness?

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A measure of how resistant a material is to deformation, scratching, or abrasion.

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What is boiling point?

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The temperature at which a liquid turns into vapor.

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What is color in terms of physical properties?

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A visual characteristic of a substance that can help identify it and differentiate it from other substances.

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What does it mean if a substance is flammable?

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It means the substance can easily ignite and burn in the presence of an open flame or heat.