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The total pressure exerted by a mixture of gases is the sum of the partial pressures of the individual gases.

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Adsorption

Adhesion of a species onto the surfaces of particles.

Coordination Compound or Complex

A compound containing coordinate covalent bonds.

Compound

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

Third Law of Thermodynamics

The entropy of a hypothetical pure, perfect, crystalline sustance at absolute zero temperature is zero.

Anion

A negative ion, an atom or goup of atoms that has gained one or more electrons.

 

Molecular Geometry

The arrangement of atoms (not lone pairs of electrons) around a central atom of a molecule or polyatomic ion.

Domain

A cluster of atoms in a ferromagnetic substance, all of which align in the same direction in the presence of an external magnetic field.

Paramagnetism

Attraction toward a magnetic field, stronger than diamagnetism, but still weak compared to ferromagnetism.

Colligative Properties

Physical properties of solutions that depend upon the number but not the kind of solute particles present.

Dermal toxicity

Adverse health effects resulting from skin exposure ot a substance.