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14 Terms

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Homogeneous substance

its composition is identical wherever you sample it - it has uniform composition and properties throughout.

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Compound

chemical substances made up of two or more elements that are chemically bound together in a fixed ratio.

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Mixture

combination of two or more substances in any proportions. The substances do not combine chemically, so they retain their physical properties. 

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Sodium

the chemical element of atomic number 11, a soft silver-white reactive metal of the alkali metal group.

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Potassium

the chemical element of atomic number 19, a soft silvery-white reactive metal of the alkali metal group.

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Mercury

a chemical element; it has the symbol and atomic number 80.

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Colloid

A mixture in which very small particles of one substance are distributed evenly throughout another substance.

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Suspension

a type of heterogeneous mixture where solid particles do not dissolve in a liquid solution.

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Tyndall Effect

light scattering in colloidal dispersion, while showing no light in a true solution. This effect is used to determine whether a mixture is a true solution or a colloid. -JOHN TYNDALL

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Solute

a substance that is dissolved in a solution

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Saturation

the condition in which one substance takes up as much space as possible within another substance and it can take no more molecules. Other words for saturation include equilibrium.

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Concentration

the measurement of the number of particles present in a given volume, often in a mixture or solution.

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Dilution

the process of decreasing the concentration of a solute in a solution

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mercury

It is commonly known as quicksilver.