Elements, Compounds, and Mixtures

16 terms by barryasher

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compound

pure substance composed of two or more elements that are chemically combined in a specific mass ratio. Ex. water (H2O), Carbon dioxide (CO2).

concentration

A measure of the amount of solute dissolved in a solvent

solution

composed of particles of two or more substances that are distributed evenly among each other. It has the same appearance and properties throughout the mixture.

element

pure substance that cannot be separated into simpler substances by physical or chemical means

mixture

combination of two or more substances that are not chemically combined

physical properties

boiling point, melting point, and density, color, hardness, and texture

molecule

formed when atoms of two or more elements join together.

chemical properties

reactivity with acid, flammable, reactive with other chemicals

dissolving

process in which particles of substances separate and spread evenly throughout a mixture

solubility

the ability of the solute to dissolve in a solvent at a certain temperature

insoluble

a solute that is unable to dissolve in a solvent

suspension

mixture in which particles of a material are dispersed throughout a liquid or gas but are large enough that they settle out. Ex. Snow globe.

colloid

mixture in which the particles are dispersed throughout but are not heavy enough to settle out. Ex. Milk, Gelatin, Whipped Cream

solute

the substance that is dissolved (typically the lesser amount)

solvent

the substance that is doing the dissolving (typically the greater amount)

soluble

a solute that is able to dissolve in a solvent

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