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Reactions in which oxidation and reduction occur, also called redox reactions.

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Lewis Base

Any species that can make available a share in an electron pair.

Colloid

A heterogeneous mixture in which solute-like particles do not settle out.

Fractional Distillation

The process in which a fractioning column is used in distillation apparatus to separate components of a liquid mixture that have different boiling points.

Photon

A packet of light or electromagnetic radiation, also called quantum of light.

 

Carbanion

An organic ion carrying a negative charge on a carbon atom.

Detergent

A soap-like emulsifer that contains a sulfate, SO3 or a phosphate group instead of a carboxylate group.

Chemical Change

A change in which one or more new substances are formed.

Periodic Table

An arrangement of elements in order of increasing atomic numbers that also emphasizes periodicity.

Breeder Reactor

A nuclear reactor that produces more fissionable nuclear fuel than it consumes.

Fuel Cells

Voltaic cells in which the reactants (usually gases) are supplied continuously.
A voltaic cell that converts the chemical energy of a fuel and an oxidizing agent directly into electriacl energy on a continuous basis.