what is matter? a physical substance which occupies space and possesses rest mass, especially as distinct from energy.

Pure substance: pure substances are defined as a substances that are made of only one type of atom or only one type of molecules.

Element: A part or a aspect of something abstract,especially one that is essential or characteristic.

compound: something that is composed of 2 or more separate elements, a mixture.

mixture

homogeneous mixture: a mixture which has uniform composition and properties throughout

solution: examples such as, mixing salt with water, the salt breaks down, and mixes with the water.

heterogeneous mixture:A mixture is a combination of two or more pure substances in which the original substances retain their chemical properties. In some mixtures, the initial substances cannot be detected after they have been

suspension:A suspension is a heterogeneous mixture in which solute-like particles settle out of a solvent-like phase some time after their introduction. Ex If you go to a beach and mix sand and water in a bucket you will form a suspension. Given time, the sand will settle on the bottom of the bucket to leave clear water.

colloid:a homogeneous, noncrystalline substance consisting of large molecules or ultramicroscopic particles of one substance dispersed through a second substance. Colloids include gels, sols, and emulsions; the particles do not settle and cannot be separated out by ordinary filtering or centrifuging like those in a suspension.

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