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An oily, slightly water-soluble liquid, C7H6O2, having an almondlike odor: used chiefly in perfumery and in the synthesis of coumarin.

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Boron Hydrides

Binary compounds of boron and hydrogen.

Active Metal

Metal with low ionization energy that loses electrons readily to form cations.

Polymerization

The combination of many small molecules to form large molecules.

Oxidizing Agent

The substance that oxidizes another substance and is reduced.

Acid Anhydride

Compound produced by dehydration of a carbonic acid. General formula is R--C--O--C--R. Chemical compound that reacts with water to form an acid and are usually oxides of nonmetallic elements.

Emulsion

Colloidal suspension of a liquid in a liquid.

Compound

A substance of two or more elements in fixed proportions. Compounds can be decomposed into their constituent elements.

Atom

The smallest particle of an element.

Specific Rate Constant

An experimentally determined (proportionality) constant, which is different for different reactions and which changes only with temperature, k in the rate-law expression: Rate = k [A] x [B]v.

Bond Energy

The amount of energy necessary to break one mole of bonds of a given kind (in gas phase).The amount of energy necessary to break one mole of bonds in a substance, dissociating the sustance in the gaseous state into atoms of its elements in the gaseous state.

Levorotatory

Refers to an optically active substance that rotates the plane of plane polarized light counterclockwise, also called levo.

Binary Acid

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

Open Sextet

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

xenon trioxide

A colorless, nonvolatile solid, XeO3, explosive when dry: in solution it is called xenic acid.

Coulometry

The quantitative application of Faraday's Law to the analysis of materials. The current and time are the usual variables measured.

Endothermic

Describes processes that absorb heat energy.

Surface Tension

It is the force in dynes acting along the surface of the liquid 1cm in length and perpendicular to it.

Weak Electrolyte

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

D-Orbitals

Beginning in the third energy level, aset of five degenerate orbitals per energy level, higher in energy than s and p orbitals of the same energy level.

 

Band of Stability

Band containing nonradioactive nuclides in a plot of number of neutrons versus atomic number.