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An Acid that can form two or more hydronium ions per molecule, often a least one step of ionization is weak.

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Levorotatory

Refers to an optically active substance that rotates the plane of plane polarized light counterclockwise, also called levo.

Homologous Series

A series of compounds in which each member differs from the next by a specific number and kind of atoms.

Entropy

A thermodynamic state or property that measures the degree of disorder or randomness of a system.

Ionization Constant

Equilibrium constant for the ionization of a weak electrolyte.

Polyene

A compound that contains more than one double bond per molecule.

Flotation

Method by which hydrophobic (water-repelling) particles of an ore are separated from hydrophilic (water-attracting) particles of a metallurgical pretreatment process.

Octahedral

A term used to describe molecules and polyatomic ions that have one atom in the center and six atoms at the corners of a octahedron.

Condensation

Liquefaction of vapor.

Distillation

The separation of a liquid mixture into its components on the basis of differences in boiling points. The process in which components of a mixture are separated by boiling away the more volitile liquid.

Primary Standard

A substance of a known high degree of purity that undergoes one invariable reaction with the other reactant of interest.

Endothermicity

The absorption of heat by a system as the process occurs.

Alkaline Battery

A dry cell in which the electrolyte contains KOH.

Alcohol

Hydrocarbon derivative containing an --OH group attached to a carbon atom not in an aromatic ring. Alcohols are a class of organic compounds containing the hydroxyl group, OH, attached to a carbon atom.

Polymer

A large molecule consisting of chains or rings of linked monomer units, usually characterized by high melting and boiling points.

Carbonium ion

An orgainic ion carrying a positive charge on a carbon atom.

Delocalization

Of electrons, refers to bonding electrons that are distributed among more than two atoms that are bonded together, occurs in species that exhibit resonance.
The formation of a set of molecular orbitals that extend over more than two atoms, important in species that valence bond theory describes in terms of resonance.

Molecular Orbital Theory

A theory of chemical bonding based upon the postulated existence of molecular orbitals.

Amide

Compound containing the O-C-N group.Compound that can be considered a derivative of ammonia in which one or more hydrogens are replaced by a alkyl or aryl groups.

 

Atomic Weight

Weighted average of the masses of the constituent isotopes of an element, The relative masses of atoms of different elements.

Crystal Field Stabilization Energy

A measure of the net energy of stabilization gained by a metal ion's nonbonding d electrons as a result of complex formation.