Electrolytic cell for the commercial electrolysis of molten sodium chloride. For further information see Electrochemistry or Fuel Cells.
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Percent Purity
The percent of a specified compound or element in an impure sample.
Indicators
For acid-base titrations, organic compounds that exhibit different colors in solutions of different acidities, used to determine the point at which reaction between two solutes is complete.
Suspension
A heterogeneous mixture in which solute-like particles settle out of solvent-like phase some time after their introduction.
Colloid
A heterogeneous mixture in which solute-like particles do not settle out.
Dispersing Medium
The solvent-like phase in a colloid.
Formula
Combination of symbols that indicates the chemical composition of a substance.
Heat of Solution
The amount of heat absorbed in the formation of solution that contains one mole of solute, the value is positive if heat is absorbed (endothermic) and negative if heat is released (exothermic).
Autoionization
An ionization reaction between identical molecules.
Bonding Orbital
A molecular orbit lower in energy than any of the atomic orbitals from which it is derived, lends stability to a molecule or ion when populated with electron.
Electron Deficient Compounds
Compounds that contain at least one atom (other than H) that shares fewer than eight electrons.
