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Electrolytic cell for the commercial electrolysis of molten sodium chloride. For further information see Electrochemistry or Fuel Cells.

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Ionic Compounds

Compounds containing predominantly ionic bonding.

What are Compound Microscopes?

Most of the microscopes used today are compound. A compound microscope features two or more lenses. A hollow cylinder called the tube connects the two lenses.

The top lens, the one people look through, is called the eyepiece. The bottom lens is known as the objective lens. Below the two lenses is the stage, with the illuminator below that.

Optical Isomers

Stereoisomers that differ only by being nonsuperimposable mirror images of each other, like right and left hands, also called enantiomers.

Avogadro's Law

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

Ketone

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

Capillary

A tube having a very small inside diameter.

Heterogeneous Equilibria

Equilibria involving species in more than one phase.

Corrosion

Oxidation of metals in the presence of air and moisture.

Double Salt

Solid consisting of two co-crystallized salts.

 

Displacement Reactions

Reactions in which one element displaces another from a compound.