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Spectrum associated with emission of electromagnetic radiation by atoms (or other species) resulting from electronic transitions from higher to lower energy states.

 

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Radioactive Dating

Method of dating ancient objects by determining the ratio of amounts of mother and daughter nuclides present in an object and relating the ratio to the object?s age via half-life calculations.

Electroplating

Plating a metal onto a (cathodic) surface by electrolysis.

Use of diamonds

Diamond is a crystalline modification of pure carbon formed in the deep interior of the Earth, in the upper mantle at depths of more than 80-100 kilometers, at exceptionally high pressure and temperature. It is the most precious stone, the hardest and most wear-resistant mineral, the most brilliant and timeless gem.

Fractional Distillation

The process in which a fractioning column is used in distillation apparatus to separate components of a liquid mixture that have different boiling points.

Electrodes

Surfaces upon which oxidation and reduction half-reactions, occur in electrochemical cells.

Miscibility

The ability of one liquid to mix with (dissolve in) another liquid.

Oxidizing Agent

The substance that oxidizes another substance and is reduced.

Standard Electrodes

Half-cells in which the oxidized and reduced forms of a species are present at unit activity, 1.0M solutions of dissolved ions, 1.0atm partial pressure of gases, and pure solids and liquids.

Daughter Nuclide

Nuclide that is produced in a nuclear decay.

 

xylan

The pentosan occurring in woody tissue that hydrolyzes to xylose: used as a source of furfural.