Flashcards on Matter and Its Properties

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Matter

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Anything that occupies space and has mass.

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Element

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A substance that cannot be broken down into simpler substances by chemical means.

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Compound

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A substance composed of two or more elements chemically bonded in fixed proportions.

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Mixture

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A combination of two or more substances that retain their individual properties.

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Homogeneous Mixture (Solution)

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A mixture with uniform composition throughout.

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Heterogeneous Mixture

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A mixture where components are not evenly distributed.

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Atom

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The smallest unit of an element that retains the chemical properties of that element.

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Molecule

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Two or more atoms bonded together.

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Law of Conservation of Matter

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Matter cannot be created or destroyed in a chemical reaction.

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Physical Property

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A characteristic of matter that can be observed without changing its chemical identity (e.g., density, color).