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Colloidal suspension of a solid dispersed in a liquid, a semirigid solid.

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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...

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    Most of the microscopes used today are compound. A compound microscope features two or more lenses. A hollow cylinder called the tube connects the two lenses. The top lens, the one people look through, is called the eyepiece. The bottom lens is known as the objective lens. Below the two lenses is...

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    Probably, every person wants to know, why over time the copper turns green and becomes bloomed. This is easy to explain: that film is called patina.

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    Diamonds are still a girl's best friend, right? We love the shiny gems. They are the most popular rocks sold today. But what exactly are they, anyway? Where do they come from? What else are they used for?



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Entropy

A thermodynamic state or property that measures the degree of disorder or randomness of a system.

xenon

A heavy, colorless, chemically inactive, monatomic gaseous element used for filling radio, television, and luminescent tubes. Symbol: Xe, at. wt.: 131.30, at. no.: 54.

Salinometer

An instrument for measuring the amount of salt in a solution. Also,"salimeter, salometer."

Spectrochemical Series

Arrangement of ligands in order of increasing ligand field strength.

Solvation

The process by which solvent molecules surround and interact with solute ions or molecules.

Mother Nuclide

Nuclide that undergoes nuclear decay.

Bond Order

Half the numbers of electrons in bonding orbitals minus half the number of electrons in antibonding orbitals. Bond order gives an indication to the stability of a bond. Also defined as the difference between the number of bonding electrons and antibonding electrons divided by two.

Chemical Kinetics

The study of rates and mechanisms of chemical reactions and of the factors on which they depend.

Amorphous Solid

A noncrystalline solid with no well-defined ordered structure.

Stereoisomers

Isomers that differ only in the way that atoms are oriented in space, consist of geometrical and optical isomers.