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

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    The scanning tunneling microscope (STM) invented by Heinrich Rohrer and Gerd Binnig in the 1980s still manages to do a great job today and competes with more advanced microscope types. The scanning tunneling microscope is used for studying the surface atoms that are found on various materials. The...

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  • Varieties of garnet minerals

    The most famous type of garnet stone is pyrope (flaming). This is the "oldest of garnets", with a dense red color, similar to the grain of an edible garnet. Pyrope has a variety called rhodolite - a stone of dense pink or pink-purple color, which sometimes has the alexandrite effect and is used in...



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Ozone

We breathe 24 hours a day, 7 days a week, consuming about 25 kg of air every day. It turns out that we practically predetermine our health by the air we breathe.

Enthalpy

The heat content of a specific amount of substance, defined as E= PV.

Polymerization

The combination of many small molecules to form large molecules.

Faraday

One faraday of electricity corresponds to the charge on 6.022 x 1023 electrons, or 96,487.301 coulombs.

Covalent Compounds

Compounds containing predominantly covalent bonds.

Free Radical

A highly reactive chemical species carrying no charge and having a single unpaired electron in an orbital.

Boiling Point

The temperature at which the vapor pressure of a liquid is equal to the applied pressure, also the condensation point

Fluids

Substances that flow freely, gases and liquids.

Metalloids

Elements with properties intermediate between metals and nonmetals: B, Al, Si, Ge, As, Sb, Te, Po, and At.

Atmosphere

A unit of pressure, the pressure that will support a column of mercury 760 mm high at 0 °C.