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Crystal field designation for an outer orbital complex, all t2g and eg orbitals are singly occupied before any pairing occurs.

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Bonding Pair

Pair of electrons involved in a covalent bond.

Doublet

Two peaks or bands of about equal intensity appearing close together on a spectrogram.

Conjugate Acid-base Pair

In Bronsted-Lowry terminology, a reactant and product that differ by a proton, H+.

Homonuclear

Consisting of only one element.

Salt Bridge

A U-shaped tube containing electrolyte, which connects two half-cells of a voltaic cell.

Hydrate Isomers

Isomers of crystalline complexes that differ in whether water is present inside or outside the coordination sphere.

Dispersing Medium

The solvent-like phase in a colloid.

Binary Acid

A binary compound in which H is bonded to one or more of the more electronegative nonmetals.

Concentration

Amount of solute per unit volume or mass of solvent or of solution.

Hydration Energy

The energy change accompanying the hydration of a mole of gase and ions.