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

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Ester

A Compound of the general formula R-C-O-R1 where R and R1 may be the same or different, and may be either aliphatic or aromatic.

Ampere

Unit of electrical current, one ampere equals one coulomb per second.

 

Nuclear Reaction

Involves a change in the composition of a nucleus and can evolve or absorb an extraordinarily large amount of energy.

Valence Shell Electron Pair Repulsion Theory

Assumes that electron pairs are arranged around the central element of a molecule or polyatomic ion so that there is maximum separation (and minimum repulsion) among regions of high electron density.

 

Amine Complexes

Complex species that contain ammonia molecules bonded to metal ions.

Ionic Compounds

Compounds containing predominantly ionic bonding.

Cation

A positive ion, an atom or group of atoms that has lost one or more electrons.

Gamma Ray

High energy electromagnetic radiation. A highly penetrating type of nuclear radiation similar to x-ray radiation, except that it comes from within the nucleus of an atom and has a higher energy. Energywise, very similar to cosmic ray except that cosmic rays originate from outer space.

Reactants

Substances consumed in a chemical reaction.

Half-Cell

Compartment in which the oxidation or reduction half-reaction occurs in a voltaic cell.