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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.

 

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Allotropes

Different forms of the same element in the same physical state.

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.

Chemical Equilibrium

A state of dynamic balance in which the rates of forward and reverse reactions are equal, there is no net change in concentrations of reactants or products while a system is at equilibrium.

Doublet

Two peaks or bands of about equal intensity appearing close together on a spectrogram.

Heteronuclear

Consisting of different elements.

Exothermic

Describes processes that release heat energy.

Disproportionation Reactions

Redox reactions in which the oxidizing agent and the reducing agent are the same species.

Atomic Orbital

Region or volume in space in which the probability of finding electrons is highest.

Electron Configuration

Specific distribution of electrons in atomic orbitals of atoms or ions.

Corrosion

Oxidation of metals in the presence of air and moisture.