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

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Weak Field Ligand

A Ligand that exerts a weak crystal or ligand field and ge- nerally forms high spin complexes with metals.

Electrophile

Positively charged or electron-deficient.

Condensation

Liquefaction of vapor.

Ionization Constant

Equilibrium constant for the ionization of a weak electrolyte.

Solution

Homogeneous mixture of two or more substances.

Nitrogenases

A class of enzymes found in bacteria within root nodules in some plants, which catalyze reactions by which N2 molecules from the air are converted to ammonia.

 

Oxidation

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

Ioniztion

The breaking up of a compound into separate ions.

Absorption Spectrum

Spectrum associated with absorption of electromagnetic radiation by atoms (or other species) resulting from transitions from lower to higher energy states. An absorption spectrum is the inverse of an emission spectrum.

Coulomb

Unit of electrical charge.