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Placing a thin layer of zinc on a ferrous material to protect the underlying surface from corrosion.

 

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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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    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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xylose

A colorless, crystalline pentose sugar, C5H10O5, derived from xylan, straw, corncobs, etc., by treating with heated dilute sulfuric acid, and dehydrating to furfural if stronger acid is used.

Coordination Isomers

Isomers involving exchanges of ligands between complex cation and complex anion of the same compound.

Polarimeter

A device used to measure optical activity.

Mass

A measure of the amount of matter in an object. Mass is usually measured in grams or kilograms.

Metallurgy

Refers to the overall processes by which metals are extracted from ores.

Oxidation-reduction Reactions

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

Acyl Group

Compound derived from a carbonic acid by replacing the --OH group with a halogen (X), usually --Cl, general formula is O R--C--X.

Electrode Potentials

Potentials, E, of half-reactions as reductions versus the standard hydrogen electrode.

Control Rods

Rods of materials such as cadmium or boron steel that act as neutron obsorbers (not merely moderaters) used in nuclear reactors to control neutron fluxes and therfore rates of fission.

Electron Configuration

Specific distribution of electrons in atomic orbitals of atoms or ions.