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A compound that contains more than one double bond per molecule.

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Artificial Transmutation

An artificially induced nuclear reaction caused by the bombardment of a nucleus with subatomic particiles or small nucei.

Reactants

Substances consumed in a chemical reaction.

Open Sextet

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

Weak Electrolyte

A substance that conducts electricity poorly in a dilute aqueous solution.

Fossil Fuels

Substances consisting largely of hydrocarbons, derived from decay of organic materials under geological conditions of high pressure and temperature (metamorphism) include coal, petroleum, natural gas, peat and oil shale.  For further information see Fuel Chemistry

xenon tetrafluoride

A colorless, crystalline compound, XeF4, prepared by heating a gaseous mixture of fluorine and xenon.

Miscibility

The ability of one liquid to mix with (dissolve in) another liquid.

pH

Negative logarithm of the concentration (mol/L) of the H3O+[H+] ion, scale is commonly used over a range 0 to 14.

Calorimeter

A device used to measure the heat transfer between system and surroundings.

Standard Reaction

A reaction in which the numbers of moles of reactants shown in the balanced equation, all in their standard states, are completely converted to the numbers of moles of products shown in the balanced equation, also sall at their standard state.