Either the oxidation part or the reduction part of a redox reaction.
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The most expensive metal in the world
Do you think the most expensive metal is gold? No! On earth there are more valuable metals. But we need to divide the value of metals that occur in nature, and metals - isotopes, which are obtained in special laboratories. Let’s look at natural metals first.
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Features of the Scanning Tunneling Microscope
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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What are Compound Microscopes?
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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Why do copper products change color, and what is the name of the process?
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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Chemical Safety
People use chemicals every day for a wide array of purposes, which can include work and house hold duties. Many of us fail to realize that we are actually handling potentially deadly chemicals when we simply clean the bathroom or wash the car. This brings to mind the reason why chemical safety is...
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Amine Complexes
Complex species that contain ammonia molecules bonded to metal ions.
Intermolecular Forces
Forces between individual particles (atoms, molecules, ions) of a substance.
Diamagnetism
Weak repulsion by a magnetic field.
Ostwald Process
A process for the industrial production of nitrogen oxide and nitric acid from ammonia and oxygen.
Forbidden Zone
A relatively large energy separation between an insulator's highest filled electron energy band and the next higher energy vacant band. Beginning in the fourth energy level, a set of seven degenerate orbitals per energy level, higher in energy than s, p, and d orbitals of the same energy level.
Saponification
Hydrolysis of esters in the presence of strong soluable bases.
Saccharide
An organic compound containing a sugar or sugars.
Colligative Properties
Physical properties of solutions that depend upon the number but not the kind of solute particles present.
Alloying
Mixing of metal with other substances (usually other metals) to modify its properties.
Enzyme
A protein that acts as a catalyst in biological systems.
