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Compound in which a carbonyl group is bound to two alkyl or two aryl groups, or to one alkyl and one aryl group.

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Alloying

Mixing of metal with other substances (usually other metals) to modify its properties.

Binary Acid

A binary compound in which H is bonded to one or more of the more electronegative nonmetals.

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

Electromagnetic Radiation

Energy that is propagated by means of electric and magnetic fields that oscillate in directions perpendicular to the direction of travel of the energy.

Extrapolate

To estimate the value of a result outside the range of a series of known values. Technique used in standard additions calibration procedure.

Atomic Orbital

Region or volume in space in which the probability of finding electrons is highest.

xanthate

A salt or ester of xanthic acid. Many xanthates have a yellow color. Xanthates are used as flotation agents in mineral processing.

Mass Deficiency

The amount of matter that would be converted into energy if an atom were formed from constituent particles.

Gem-dimethyl group

Two methyl groups of the same carbon atom.

Antibonding Orbital

A molecular orbital higher in energy than any of the atomic orbitals from which it is derived, lends instability to a molecule or ion when populated with electrons, denoted with a star (*) superscript or symbol.