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Change in the concentration of a reactant or product per unit time.

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All Chemicals - Chemical Glossary

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.

Emulsion

Colloidal suspension of a liquid in a liquid.

Insoluble Compound

A very slightly soluble compound.

Diamagnetism

Weak repulsion by a magnetic field.

Crystal Lattice

A pattern of arrangement of particles in a crystal.

Eluate

Solvent (or mobile phase) which passes through a chromatographic column and removes the sample components from the stationary phase.

Acyl Group

Compound derived from a carbonic acid by replacing the --OH group with a halogen (X), usually --Cl, general formula is O R--C--X.

Stoichiometry

Description of the quantitative relationships among elements and compounds as they undergo chemical changes.

Activity Series

A listing of metals (and hydrogen) in order of decreasing activity.

Square Planar

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