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The buildup of a product of oxidation or a reduction of an electrode, preventing further reaction.

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Coulometry

The quantitative application of Faraday's Law to the analysis of materials. The current and time are the usual variables measured.

Oxidizing Agent

The substance that oxidizes another substance and is reduced.

Carbanion

An organic ion carrying a negative charge on a carbon atom.

Wild patina, is it so bad?

Usually this kind of patina appears on monuments. The most striking example is the Statue of Liberty in New York.

Capillary Action

The drawing of a liquid up the inside of a small-bore tube when adhesive forces exceed cohesive forces, or the depression of the surface of the liquid when cohesive forces exceed the adhesive forces.

Hydration Energy

The energy change accompanying the hydration of a mole of gase and ions.

Electronic Geometry

The geometric arrangement of orbitals containing the shared and unshared electron pairs surrounding the central atom of a molecule or polyatomic ion.

Electroplating

Plating a metal onto a (cathodic) surface by electrolysis.

Interesting facts about metals

Metals have been used by people since ancient times. All the time the process of obtaining them was improved, useful alloys of various metals appeared. Let’s look at interesting facts about metals.

Basic Salt

A salt containing an ionizable OH group.