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A substance added to react with the charge, or a product of its reduction, in metallurgy, usually added to lower a melting point.

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Distilland

The material in a distillation apparatus that is to be distilled.

Electron Deficient Compounds

Compounds that contain at least one atom (other than H) that shares fewer than eight electrons.

A brief history of dyeing fabrics

 Dyeing fabrics is giving the fibers a homogeneous color that has a certain degree of strength. The methods of dyeing are very diverse, depending on the properties of the dyes and the dyed fibers.

Square Planar Complex

Complex in which the metal is in the center of a square plane, with ligand donor atoms at each of the four corners.

Ketone

Compound in which a carbonyl group is bound to two alkyl or two aryl groups, or to one alkyl and one aryl group.

Oxidizing Agent

The substance that oxidizes another substance and is reduced.

Open Sextet

Refers to species that have only six electrons in the highest energy level of the central element (many Lewis acids).

Rate-law Expression

Equation relating the rate of a reaction to the concentrations of the reactants and the specific rate of the constant.

PseudobinaryIonic Compounds

Compounds that contain more than two elements but are named like binary compounds.

Alkaline Earth Metals

Group IIA metals