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The amount of water that would absorb the same amount of heat as the calorimeter per degree temperature increase.

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Ioniztion

The breaking up of a compound into separate ions.

Critical Temperature

The temperature above which a gas cannot be liquefied, the temperature above which a substance cannot exhibit distinct gas and liquid phases.

Valence Electrons

Outermost electrons of atoms, usually those involved in bonding.

Designated area

An area that may be used for work with carcinogens, reproductive toxins, or substances that have a high degree of acute toxicity. A designated area may be the entire laboratory, an area of a laboratory, or a device such as a laboratory hood.

Faraday's Law of Electrolysis

One equivalent weight of a substance is produced at each electrode during the passage of 96,487 coulombs of charge through an electrolytic cell.

Nuclides

Refers to different atomic forms of all elements in contrast to ?isotopes?, which refer only to different atomic forms of a single element.

xenon tetrafluoride

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

Accuracy

How closely a measured value agrees with the correct value.

Oxide

A binary compound of oxygen.

Matter

Anything that has mass and occupies space.