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Covalent bond resulting from the sharing of four electrons (two pairs) between two atoms.

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Saccharic

of or derived from saccharin or a saccharine substance.

 

Dubnium

Discovered : at both Berkeley, California, USA, and Dubna, near Moscow, Russia in 1970. Description:A highly radioactive metal which does not occur naturally, and of which only a few atoms have ever been made. It is of research interest only. Origin:The element is named after the Russian town of Dubna.

Hydrolysis

The reaction of a substance with water or its ions.

Disproportionation Reactions

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

Entropy

A thermodynamic state or property that measures the degree of disorder or randomness of a system.

Photochemical Oxidants

Photochemically produced oxidizing agents capable of causing damage to plants and animals.

Vapor

A gas formed by boiling or evaporating a liquid.

Electronic Transition

The transfer of an electron from one energy level to another.

Hydration

Reaction of a substance with water.

Ionization Energy

The minimum amount of energy required to remove the most loosely held electron of an isolated gaseous atom or ion.