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Chemistry Dictionary Terminology "A"
Chemistry Dictionary Terminology  "I"

Inner Orbital Complex
Valence bond designation for a complex in which the metal ion utilizes d orbitals for one shell inside the outermost occupied shell in its hybridization.
Isomers
Different substances that have the same formula.
Ionization Isomers
Isomers that result from the interchange of ions inside and outside the coordination sphere.
Inert s-pair Effect
Characteristic of the post-transition minerals; tendency of the outermost s electrons to remain nonionized or un shared in compounds.
Insoluble Compound
A very slightly soluble compound.
Indicators
For acid-base titrations, organic compounds that exhibit different colors in solutions of different acidities; used to determine the point at which reaction between two solutes is complete.
Ionization Constant
Equilibrium constant for the ionization of a weak electrolyte.
Ion Product for Water
Equilibrium constant for the ionization of water, Kw = [H3O+][OH-] =1.00 x 10-14 at 25 °C.
Inhibitory Catalyst
An inhibitor, a catalyst that decreases the rate of reaction.
For more information see Catalysis
Integrated Rate Equation
An equation giving the concentration of a reactant remaining after a specified time; has different mathematical form for different orders of reactants.
Ioniztion
The breaking up of a compound into separate ions.
Ideal Solution
A solution that obeys Raoult's Law exactly.
Insulator
Poor electric and heat conductor.
Intermolecular Forces
Forces between individual particles (atoms, molecules, ions) of a substance.
Isomorphous
Refers to crystals having the same atomic arrangement.
For more information see Crystallography
Ideal Gas
A hypothetical gas that obeys exactly all postulates of the kinetic-molecular theory.
Ideal Gas Law
The product of pressure and the volume of an ideal gas is directly proportional to the number of moles of the gas and the absolute temperature.
Ionization
In aqueous solution, the process in which a molecular compound reacts with water and forms ions.
Ionic Bonding
Chemical bonding resulting from the transfer of one or more electrons from one atom or a group of atoms to another.
Ionic Compunds
Compounds containing predominantly ionic bonding.
Ionic Geometry
The arrangement of atoms (not lone pairs of electrons) about the central atom of a polyatomic ion.
Isoelectric
Having the same electronic configurations
Ionization Energy
The minimum amount of energy required to remove the most loosely held electron of an isolated gaseous atom or ion.
Isotopes
Two or more forms of atoms of the same element with different masses; atoms containing the same number of protons but different numbers of neutrons.
Ion
An atom or a group of atoms that carries an electric charge.


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