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

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Plasma

A physical state of matter which exists at extremely high temperatures in which all molecules are dissociated and most atoms are ionized.

Amphoterism

The ability to react with both acids and bases.Ability of substance to act as either an acid or a base.

Basic Anhydride

The oxide of a metal that reacts with water to form a base.

Specific Heat

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

Quantum Numbers

Numbers that describe the energies of electrons in atoms, derived from quantum mechanical treatment.

Electrochemistry

Study of chemical changes produced by electrical current and the production of electricity by chemical reactions.

Photochemical Oxidants

Photochemically produced oxidizing agents capable of causing damage to plants and animals.

Polarimeter

A device used to measure optical activity.

Cis-

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

Ioniztion

The breaking up of a compound into separate ions.