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A pattern of arrangement of particles in a crystal.

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Extrapolate

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

Cis-

The prefix used to indicate that groups are located on the same side of a bon about which rotation is restricted.

Combination Reaction

Reaction in which two substances (elements or compounds) combine to form one compound.

Specific Heat

The amount of heat required to raise the temperature of one gram of substance one degree Celsius.

xylan

The pentosan occurring in woody tissue that hydrolyzes to xylose: used as a source of furfural.

Ether

Compound in which an oxygen atom is bonded to two alkyl or two aryl groups, or one alkyl and one aryl group.

Resonance

The concept in which two or more equivalent dot formulas for the same arrangement of atoms (resonance structures) are necessary to describe the bonding in a molecule or ion.

Alums

Hydrated sulfates of the general formula M+M3+(SO4)2.12H2).

Fatty Acids

An aliphatic acid, many can obtained from animal fats.

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