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

 

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Faraday

One faraday of electricity corresponds to the charge on 6.022 x 1023 electrons, or 96,487.301 coulombs.

Accuracy

How closely a measured value agrees with the correct value.

Strong Field Ligand

Ligand that exerts a strong crystal or ligand electrical field and generally forms low spin complexes with metal ions when possible.

Photochemical Smog

A brownish smog occurring in urban areas receiving large amounts of sunlight, caused by photochemical (light-induced) reactions among nitrogen oxides, hydrocarbons and other components of polluted air that produce photochemical oxidants.

 

Ionization

In aqueous solution, the process in which a molecular compound reacts with water and forms ions.

Deposition

The direct solidification of a vapor by cooling, the reverse of sublimation.

yield

The quantity of product formed by the interaction of two or more substances, generally expressed as a percentage of the quantity obtained to that theoretically obtainable.

Aufbau ('building up') Principle

Describes the order in which electrons fill orbitals in atoms.

Downs Cell

Electrolytic cell for the commercial electrolysis of molten sodium chloride. For further information see Electrochemistry or Fuel Cells.

Percentage Ionization

The percentage of the weak electrolyte that ionizes in a solution of given concentration.