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Refers to an optically active substance that rotates the plane of plane polarized light counterclockwise, also called levo.

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Ligand

A Lewis base in a coordination compound.

Viscosity

Resistance offered by the molecules of a liquid to flow is termed as viscosity.

Isomorphous

Refers to crystals having the same atomic arrangement.

Base

A substance that produces OH (aq) ions in aqueous solution. Strong soluable bases are soluble in water and are completely dissociated. Weak bases ionize only slightly.

Photoelectric Effect

Emission of an electron from the surface of a metal caused by impinging electromagnetic radiation of certain minimum energy, current increases with increasing intensity of radiation.

 

Evaporization

Vaporization of a liquid below its boiling point.

xylene

Any of three oily, colorless, water-insoluble, flammable, toxic, isomeric liquids, C8H10, of the benzene series, obtained mostly from coal tar: used chiefly in the manufacture of dyes.

Exothermicity

The release of heat by a system as a process occurs.

Downs Cell

Electrolytic cell for the commercial electrolysis of molten sodium chloride. For further information see Electrochemistry or Fuel Cells.

Hydrate

A solid compound that contains a definite percentage of bound water.