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The scattering of light by colloidal particles.

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Spectator Ions

Ions in a solution that do not participate in a chemical reaction.

yttrium metal

Any of a subgroup of rare-earth elements, of which the cerium and terbium metals comprise the other two subgroups.

Weak Field Ligand

A Ligand that exerts a weak crystal or ligand field and ge- nerally forms high spin complexes with metals.

Kinetic Energy

Energy that matter processes by virtue of its motion.

Dipole Moment

The product of the distance separating opposite charges of equal magnitude of the charge, a measure of the polarity of a bond or molecule, a measured dipole moment refers to the dipole moment of an entire molecule.

Dipole-dipole Interactions

Attractive interactions between polar molecules, that is, between molecules with permanent dipoles.

Geiger counter

A gas filled tube which discharges electriaclly when ionizing radiation passes through it.

Method of Initial Rates

Method of determining the rate-law expression by carrying out a reaction with different initial concentrations and analyzing the resultant changes in initial rates.

Alloying

Mixing of metal with other substances (usually other metals) to modify its properties.

Heterocyclic Amine

Amine in which the nitrogen is part of a ring.