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An insoluble solid formed by mixing in solution the constituent ions of a slightly soluble solution.

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Law of Combining Volumes (Gay-Lussac's Law)

At constant temperature and pressure, the volumes of reacting gases (and any gaseous products) can be expressed as ratios of small whole numbers.

 

Fast Neutron

A neutron ejected at high kinetic energy in a nuclear reaction.

Cathode

Electrode at which reduction occurs in a cathode ray tube, the negative electrode.

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.

Dilution

Process of reducing the concentration of a solute in solution, usually simply by mixing with more solvent.

Heat of Crystallization

The amount of heat that must be removed from one gram of a liquid at its freezing point to freeze it with no change in temperature.

Interesting facts about metals

Metals have been used by people since ancient times. All the time the process of obtaining them was improved, useful alloys of various metals appeared. Let’s look at interesting facts about metals.

Exothermic

Describes processes that release heat energy.

Greenhouse Effect

Trapping of heat at the surface of the earth by carbon dioxide and water vapour in the atmosphere.

Combination Reaction

Reaction in which two substances (elements or compounds) combine to form one compound.