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The breaking up of a compound into separate ions.

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Use of diamonds

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 brilliant and timeless gem.

Single Bond

Covalent bond resulting from the sharing of two electrons (one pair) between two atoms.

Dissociation

In aqueous solution, the process in which a solid ionic compound separates into its ions.

Oxidation-reduction Reactions

Reactions in which oxidation and reduction occur, also called redox reactions.

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.

Photon

A packet of light or electromagnetic radiation, also called quantum of light.

 

Critical Pressure

The pressure required to liquefy a gas (vapor) at its critical temperature.

Shielding Effect

Electrons in filled sets of s , p orbitals between the nucleus and outer shell electrons shield the outer shell electrons somewhat from the effect of protons in the nucleus, also called screening effect.

Melting Point

The temperature at which liquid and solid coexist in equilibrium, also the freezing point.

Octane Number

A number that indicates how smoothly a gasoline burns.