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Electrochemical cells in which spontaneous chemical reactions produce electricity, also called galvanic cells.

 

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Plasma

A physical state of matter which exists at extremely high temperatures in which all molecules are dissociated and most atoms are ionized.

Ternary Acid

A ternary compound containing H, O, and another element, often a nonmetal.

Dubnium

Discovered : at both Berkeley, California, USA, and Dubna, near Moscow, Russia in 1970. Description:A highly radioactive metal which does not occur naturally, and of which only a few atoms have ever been made. It is of research interest only. Origin:The element is named after the Russian town of Dubna.

Electroplating

Plating a metal onto a (cathodic) surface by electrolysis.

Element

A substance that cannot be decomposed into simpler substances by chemical means.

Electrophoresis

A technique for separation of ions by rate and direction of migration in an electric field.

Explosive limits

The range of concentrations over which a flammable vapour mixed with proper ratios of air will ignite or explode if a source of ignitions is provided.

Electrophile

Positively charged or electron-deficient.

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.

Eluant or eluent

The solvent used in the process of elution, as in liquid chromatography.