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High energy particles or rays emitted during the nuclear decay processes.

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Electrophoresis

A technique for separation of ions by rate and direction of migration in an electric field.

Disproportionation Reactions

Redox reactions in which the oxidizing agent and the reducing agent are the same species.

Photochemical Smog

A brownish smog occurring in urban areas receiving large amounts of sunlight, caused by photochemical (light-induced) reactions among nitrogen oxides, hydrocarbons and other components of polluted air that produce photochemical oxidants.

 

Crystal Lattice

A pattern of arrangement of particles in a crystal.

Saturated Hydrocarbons

Hydrocarbons that contain only single bonds. They are also called alkanes or paraffin hydrocarbons.

Carbanion

An organic ion carrying a negative charge on a carbon atom.

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.

Differential Thermometer

A thermometer used for accurate measurement of very small changes in temperature.

Ostwald Process

A process for the industrial production of nitrogen oxide and nitric acid from ammonia and oxygen.

Fluids

Substances that flow freely, gases and liquids.