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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.

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Faraday's Law of Electrolysis

One equivalent weight of a substance is produced at each electrode during the passage of 96,487 coulombs of charge through an electrolytic cell.

Bonding Pair

Pair of electrons involved in a covalent bond.

Chemical Periodicity

The variations in properties of elements with their position in the periodic table.

Saponification

Hydrolysis of esters in the presence of strong soluable bases.

Condensed Phases

The liquid and solid phases, phases in which particles interact strongly.

Oxidizing Agent

The substance that oxidizes another substance and is reduced.

Ternary Acid

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

Molecular Equation

Equation for a chemical reaction in which all formulas are written as if all substances existed as molecules, only complete formulas are used.

Colloid

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

Cloud Chamber

A device for observing the paths of speeding particiles as vapor molecules condense on them to form foglike tracks.