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An atom or group of atoms that contains one or more unpaired electrons (usually very reactive species)

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Dissociation

In aqueous solution, the process in which a solid ionic compound separates into its ions.

Carbanion

An organic ion carrying a negative charge on a carbon atom.

Dermal toxicity

Adverse health effects resulting from skin exposure ot a substance.

Valence Bond Theory

Assumes that covalent bonds are formed when atomic orbitals on different atoms overlap and the electrons are shared.

Homonuclear

Consisting of only one element.

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.

Law of Conservation of Matter and Energy

The total amount of matter and energy available in the universe is fixed.

Dispersed Phase

The solute-like species in a colloid.

Carcinogen

A substance capable of causing or producing cancer in mammals.

 

Electrolyte

A substance whose aqueous solutions conduct electricity.