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A compound consisting of three elements, may be ionic or covalent.

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Geometrical Isomers

Compounds with different arrangements of groups on either side of a bond with restricted rotation, such as a double bond or a single bond in a ring, for example cis-trans isomers of certain alkenes. Stereoisomers that are not mirror images of each other, also known as position isomers.

xylidine

Any of six isomeric compounds that have the formula C8H11N, are derivatives of xylene, and resemble aniline: used in dye manufacture.

Electromotive Series

The relative order of tendencies for elements and their simple ions to act as oxidizing or reducing agents, also called the activity series.

Faraday

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

Radioactivity

The spontaneous disintegration of atomic nuclei.

Covalent Bond

Chemical bond formed by the sharing of one or more electron pairs between two atoms.

Avogadro's Law

At the same temperature and pressure, equal volumes of all gases contain the same number of molecules.

Integrated Rate Equation

An equation giving the concentration of a reactant remaining after a specified time, has different mathematical form for different orders of reactants.

Ionic Geometry

The arrangement of atoms (not lone pairs of electrons) about the central atom of a polyatomic ion.

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