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

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Aromatic Hydrocarbons

Benzene and its derivatives.

Law of Definite Proportions (Law of Constant Composition)

The law stating that a pure substance will always have the same percent by weight. Different samples of a pure compound always contain the same elements in the same proportions by mass.

Mass

A measure of the amount of matter in an object. Mass is usually measured in grams or kilograms.

Double Salt

Solid consisting of two co-crystallized salts.

 

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.

Explosive

A chemical or compound that causes a sudden, almost instantaneous release or pressure, gas, heat and light when subjected to sudden shock, pressure, high temperature or applied potential.

Lead Storage Battery

Secondary voltaic cell used in most automobiles.

Linear Accelerator

A device used for accelerating charged particles along a straight line path.

Bronsted-Lowry Base

A proton acceptor

Doublet

Two peaks or bands of about equal intensity appearing close together on a spectrogram.