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Corrects standard electrode potentials for nonstandard conditions.

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Dumas Method

A method used to determine the molecular weights of volatile liquids.

Square Planar Complex

Complex in which the metal is in the center of a square plane, with ligand donor atoms at each of the four corners.

Oxide

A binary compound of oxygen.

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.

Curie (Ci)

The basic unit used to describe the intensity of radioactivity in a sample of material. One curie equals 37 billion disintegrations per second or approximately the amount of radioactivty given off by 1 gram of radium.

Organic Chemistry

The chemistry of substances that contain carbon-hydrogen bonds.

Secondary Standard

A solution that has been titrated against a primary standard. A standard solution is a secondary standard.

 

Oxidation Numbers

Arbitrary numbers that can be used as mechanical aids in writing formulas and balancing equations, for single- atom ions they correspond to the charge on the ion, more electronegative atoms are assigned negative oxidation numbers (also called Oxidation states).

Dimer

Molecule formed by combination of two smaller (identical) molecules.

Basic Salt

A salt containing an ionizable OH group.