All Chemicals - The Online 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.

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Rate-law Expression
Equation relating the rate of a reaction to the concentrations of the reactants and the specific rate of the constant.
Emission Spectrum
Spectrum associated with emission of electromagnetic radiation by atoms (or other species) resulting from electronic transitions from higher to...
Alkynes
Unsaturated hydrocarbons that contain one or more carbon-carbon triple bonds.
Electrophoresis
A technique for separation of ions by rate and direction of migration in an electric field.
Magnetic Quantum Number (mc)
Quantum mechanical solution to a wave equation that designates the particular orbital within a given set (s, p, d, f ) in which a electron resides.
Free Radical
A highly reactive chemical species carrying no charge and having a single unpaired electron in an orbital.
Solvation
The process by which solvent molecules surround and interact with solute ions or molecules.
Moderator
A substance such as hydrogen, deuterium, oxygen or paraffin capable of slowing fast nuetrons upon collision.
Gem-dimethyl group
Two methyl groups of the same carbon atom.
Osmosis
The process by which solvent molecules pass through a semipermable membrane from a dilute solution into a more concentrated solution.

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