Density, Substance, and Mixture

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What is Density?

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Density is a measure of how much mass is contained in a given volume. It is calculated using the formula: Density = Mass/Volume.

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What is a Substance?

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A substance is a form of matter that has a uniform and definite composition. Examples include elements and compounds.

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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. Mixtures can be homogeneous or heterogeneous.

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What is the difference between Homogeneous and Heterogeneous mixtures?

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Homogeneous mixtures have a uniform composition throughout, while heterogeneous mixtures have visibly different substances or phases.

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What are Elements?

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Elements are pure substances that cannot be broken down into simpler substances by chemical means. They are made up of atoms.

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What are Compounds?

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Compounds are substances formed when two or more elements are chemically bonded together. They have unique properties different from the individual elements.

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What is the formula for density?

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The formula for density is d = m/v, where 'd' is density, 'm' is mass, and 'v' is volume.

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What is Matter?

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Matter is anything that has mass and takes up space. It includes solids, liquids, and gases.

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What is an Atom?

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An atom is the smallest unit of a chemical element, consisting of protons, neutrons, and electrons.

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What is Volume?

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Volume is the amount of space that a substance or object occupies, typically measured in liters or cubic centimeters.