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A method of counting electrons in a covalently bonded molecule or ion, counts bonding electrons as though they were equally shared between the two atoms.

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Ion Product for Water

Equilibrium constant for the ionization of water, Kw = [H3O+][OH-] =1.00 x 10-14 at 25 °C.

Heterocyclic Amine

Amine in which the nitrogen is part of a ring.

Derivative

A compound that can be imagined to arise from a partent compound by replacement of one atom with another atom or group of atoms. Used extensively in orgainic chemistry to assist in identifying compounds.

Binary Compound

A compound consisting of two elements, may be ionic or covalent.

Ferromagnetism

The ability of a substance to become permanently magnetized by exposure to an external magnetic field.

Oxidizing Agent

The substance that oxidizes another substance and is reduced.

Combination Reaction

Reaction in which two substances (elements or compounds) combine to form one compound.

Nuclear Reactor

A system in which controlled nuclear fisson reactions generate heat energy on a large scale, which is subsequently converted into electrical energy.

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Heat of Crystallization

The amount of heat that must be removed from one gram of a liquid at its freezing point to freeze it with no change in temperature.