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

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History of diamonds

Diamond has been known for about 5 thousand years. Historians suggest that it was first discovered in India in river placers. It has long been credited with magical properties, and the largest famous crystals and products from them are shrouded in a halo of mystical legends.

D-Orbitals

Beginning in the third energy level, aset of five degenerate orbitals per energy level, higher in energy than s and p orbitals of the same energy level.

 

Reactants

Substances consumed in a chemical reaction.

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.

 

Suspension

A heterogeneous mixture in which solute-like particles settle out of solvent-like phase some time after their introduction.

End Point

The point at which an indicator changes colour and a titration is stopped.

xenon

A heavy, colorless, chemically inactive, monatomic gaseous element used for filling radio, television, and luminescent tubes. Symbol: Xe, at. wt.: 131.30, at. no.: 54.

Distillation

The separation of a liquid mixture into its components on the basis of differences in boiling points. The process in which components of a mixture are separated by boiling away the more volitile liquid.

Vapor

A gas formed by boiling or evaporating a liquid.

Molar Solubility

Number of moles of a solute that dissolve to produce a litre of saturated solution.