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An inhibitor, a catalyst that decreases the rate of reaction.

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Mother Nuclide

Nuclide that undergoes nuclear decay.

Total Ionic Equation

Equation for a chemical reaction written to show the predominant form of all species in aqueous solution or in contact with water.

Saturated Hydrocarbons

Hydrocarbons that contain only single bonds. They are also called alkanes or paraffin hydrocarbons.

Potential Energy

Energy that matter possesses by virtue of its position, condition or composition.

Carbonium ion

An orgainic ion carrying a positive charge on a carbon atom.

Weak Electrolyte

A substance that conducts electricity poorly in a dilute aqueous solution.

Shielding Effect

Electrons in filled sets of s , p orbitals between the nucleus and outer shell electrons shield the outer shell electrons somewhat from the effect of protons in the nucleus, also called screening effect.

Oxidation

An algebraic increase in the oxidation number, may correspond to a loss of electrons.

Oxidation-reduction Reactions

Reactions in which oxidation and reduction occur, also called redox reactions.

Electrophoresis

A technique for separation of ions by rate and direction of migration in an electric field.