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The Chemical Glossary currently has 651 chemical entries. You may search the Chemical Glossary by entering the keyword in the search box or by browsing the entire chemical glossary by letter in alphabetical order.

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Boiling Point

The temperature at which the vapor pressure of a liquid is equal to the applied pressure, also the condensation point

Critical Temperature

The temperature above which a gas cannot be liquefied, the temperature above which a substance cannot exhibit distinct gas and liquid phases.

Active Metal

Metal with low ionization energy that loses electrons readily to form cations.

Heavy Water

Water containing deuterium, a heavy isotope of hydrogen.

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.

Electrochemistry

Study of chemical changes produced by electrical current and the production of electricity by chemical reactions.

Octahedral

A term used to describe molecules and polyatomic ions that have one atom in the center and six atoms at the corners of a octahedron.

Adhesive Forces

Forces of attraction between a liquid and another surface.

Downs Cell

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

Free Radical

A highly reactive chemical species carrying no charge and having a single unpaired electron in an orbital.