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A heterogeneous mixture in which solute-like particles settle out of solvent-like phase some time after their introduction.

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Strong Electrolyte

A substance that conducts electricity well in a dilute aqueous solution.

 

Secondary Standard

A solution that has been titrated against a primary standard. A standard solution is a secondary standard.

 

Alums

Hydrated sulfates of the general formula M+M3+(SO4)2.12H2).

Base

A substance that produces OH (aq) ions in aqueous solution. Strong soluable bases are soluble in water and are completely dissociated. Weak bases ionize only slightly.

PseudobinaryIonic Compounds

Compounds that contain more than two elements but are named like binary compounds.

Cation

A positive ion, an atom or group of atoms that has lost one or more electrons.

Heterocyclic Amine

Amine in which the nitrogen is part of a ring.

Emulsifying Agent

A sustance that coats the particles of the dispersed phase and prevents coagulation of colloidal particles, an emulsifier.

Periodicity

Regular periodic variations of properties of elements with atomic number (and position in the periodic table).

Heat

A form of energy that flows between two samples of matter because of their differences in temperature.