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Redox reactions in which the oxidizing agent and the reducing agent are the same species.

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History of diamonds

Diamond has been known for about 5 thousand years. Historians suggest that it was first discovered in India in river placers. It has long been credited with magical properties, and the largest famous crystals and products from them are shrouded in a halo of mystical legends.

Primary Voltaic Cells

Voltaic cells that cannot be recharged, no further chemical reaction is possible once the reactants are consumed.

Exothermicity

The release of heat by a system as a process occurs.

Percentage Ionization

The percentage of the weak electrolyte that ionizes in a solution of given concentration.

Spectrochemical Series

Arrangement of ligands in order of increasing ligand field strength.

Open Sextet

Refers to species that have only six electrons in the highest energy level of the central element (many Lewis acids).

Cathode Ray Tube

Closed glass tube containing a gas under low pressure, with electrodes near the ends and a luminescent screen at the end near the positive electrode, produces cathode rays when high voltage is applied.

Adhesive Forces

Forces of attraction between a liquid and another surface.

Radical

An atom or group of atoms that contains one or more unpaired electrons (usually very reactive species)

Supersaturated Solution

A solution that contains a higher than saturation concentration of solute, slight disturbance or seeding causes crystallization of excess solute.