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A gas filled tube which discharges electriaclly when ionizing radiation passes through it.

Latest Articles

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    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...

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  • Creating Malachite egg

    One of the most interesting and obvious chemical experiments is the experiment on the interaction of copper sulfate and calcium carbonate. The latter is contained in the shell of a simple egg, but copper sulphate should be searched in a chemical reagent store. This experience is simple, but...

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    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.

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Most Popular

Molecule

The smallest particle of an element or compound capable of a stable, independent existence.

Flash Point

The temperature at which a liquid will yield enough flamable vapour to ignite. There are various recognized industrial testing methods, therefore the method used must be stated.

Frasch Process

Method by which elemental sulfur is mined or extracted. Sulfur is melted with superheated water (at 170°C under high pressure) and forced to the surface of the earth as a slurry.

 

Ternary Acid

A ternary compound containing H, O, and another element, often a nonmetal.

Specific Heat

The amount of heat required to raise the temperature of one gram of substance one degree Celsius.

Henry's Law

The pressure of the gas above a solution is proportional to the concentration of the gas in the solution.

Haber Process

A process for the catalyzed industrial production of ammonia from N2 and H2 at high temperature and pressure.

Boyle's Law

At constant temperature the volume occupied by a definite mass of a gas is inversely proportional to the applied pressure.

Autoionization

An ionization reaction between identical molecules.

Chemical Bonds

The attractive forces that hold atoms together in elements or compounds.