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Valence bond designation for a complex in which the metal ion utilizes d orbitals in the outermost (occupied) shell in hybridization.

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Compound

A substance of two or more elements in fixed proportions. Compounds can be decomposed into their constituent elements.

Geiger counter

A gas filled tube which discharges electriaclly when ionizing radiation passes through it.

Solvation

The process by which solvent molecules surround and interact with solute ions or molecules.

Central Atom

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

Kinetic-molecular Theory

A theory, that attempts to explain macroscopic observations on gases in microscopic observations on gases in microscopic observations on gases in microscopic or molecular terms.

Homogeneous Equilibria

Equilibria involving only one species in a single phase. For example, all gases, all liquids or all solids.

Allotropes

Different forms of the same element in the same physical state.

Saccharide

An organic compound containing a sugar or sugars.

Homonuclear

Consisting of only one element.

Saccharic

of or derived from saccharin or a saccharine substance.