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

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Coordinate Covalent Bond

A covalent bond in which both shared electrons are donated by the same atom, a bond between a Lewis base and a Lewis acid.

xenon

A heavy, colorless, chemically inactive, monatomic gaseous element used for filling radio, television, and luminescent tubes. Symbol: Xe, at. wt.: 131.30, at. no.: 54.

Linkage Isomers

Isomers in which a particular ligand bonds to a metal ion through different donor atoms.

 

Nickel-cadmium cell (Nicad battery)

A dry cell in which the anode is Cd, the cathode is NiO2, and the electrolyte is basic.

Enzyme

A protein that acts as a catalyst in biological systems.

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.

Bond Order

Half the numbers of electrons in bonding orbitals minus half the number of electrons in antibonding orbitals. Bond order gives an indication to the stability of a bond. Also defined as the difference between the number of bonding electrons and antibonding electrons divided by two.

Chemical Periodicity

The variations in properties of elements with their position in the periodic table.

Double Salt

Solid consisting of two co-crystallized salts.

 

Aryl Group

Group of atoms remaining after a hydrogen atom is removed from the aromatic system.