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Equilibria involving only one species in a single phase. For example, all gases, all liquids or all solids.

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Hydrate

A solid compound that contains a definite percentage of bound water.

Lewis Acid

Any species that can accept a share in an electron pair.

Compound

A substance of two or more elements in fixed proportions. Compounds can be decomposed into their constituent elements.

Exothermic

Describes processes that release heat energy.

Radioactive Dating

Method of dating ancient objects by determining the ratio of amounts of mother and daughter nuclides present in an object and relating the ratio to the object?s age via half-life calculations.

Cyclotron

A device for accelerating charged particles along a spiral path.

Isotopes

Two or more forms of atoms of the same element with different masses, atoms containing the same number of protons but different numbers of neutrons.

Ether

Compound in which an oxygen atom is bonded to two alkyl or two aryl groups, or one alkyl and one aryl group.

Background Radiation

Ratiation extraneous to an experiment. Usually the low-level natural radiation form cosmic rays and trace radioactive substances present in our environment.

Saccharic

of or derived from saccharin or a saccharine substance.