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Arbitrary numbers that can be used as mechanical aids in writing formulas and balancing equations, for single- atom ions they correspond to the charge on the ion, more electronegative atoms are assigned negative oxidation numbers (also called Oxidation states).

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Nuclear Reaction

Involves a change in the composition of a nucleus and can evolve or absorb an extraordinarily large amount of energy.

Eluant or eluent

The solvent used in the process of elution, as in liquid chromatography.

 

Compound

A substance of two or more elements in fixed proportions. Compounds can be decomposed into their constituent elements.

Turning iron nail into copper nail

This simple chemical experiment shows the so-called process of copper plating of metal products. Copper has the ability to deposit on a metal surface.

Critical Point

The combination of critical temperature and critical pressure of a substance.

Ostwald Process

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

Isoelectric

Having the same electronic configurations.

Manometer

A two-armed barometer.

Where is ozone used?

Ozone is widely used in various areas of our life. It is used in medicine, in industry, in everyday life.

Condensation

Liquefaction of vapor.