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A solution that contains a higher than saturation concentration of solute, slight disturbance or seeding causes crystallization of excess solute.

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Composition Stoichiometry

Descibes the quantitative (mass) relationships among elements in compounds.

Element

A substance that cannot be decomposed into simpler substances by chemical means.

Oxidation-reduction Reactions

Reactions in which oxidation and reduction occur, also called redox reactions.

Linkage Isomers

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

 

Silicones

Polymeric organosilicon compounds, contain individual or cross-linked Si-O chains or rings in which some oxygens of SiO4 tetrahedra are replaced by other groups.

Proton

A subatomic particle having a mass of 1.0073 amu and a charge of +1, found in thew nuclei of atoms.

Frasch Process

Method by which elemental sulfur is mined or extracted. Sulfur is melted with superheated water (at 170°C under high pressure) and forced to the surface of the earth as a slurry.

 

Central Atom

An atom in a molecule or polyatomic ion that is bonded to more than one other atom.

Ionization Energy

The minimum amount of energy required to remove the most loosely held electron of an isolated gaseous atom or ion.

Coordination Sphere

The metal ion and its coordinating ligands but not any uncoordinated counter-ions.