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The scattering of light by colloidal particles.

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Homonuclear

Consisting of only one element.

Percent Purity

The percent of a specified compound or element in an impure sample.

D -Transition elements (metals)

B Group elements except IIB in the periodic table, sometimes called simply transition elements EX. Fe, Ni, Cu, Ti .
For further information see Metals.

Radical

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

ytterbia

Ytterbia is a colorless compound, Yb2O3, used in certain alloys and ceramics. Also known as ytterbium oxide.

Tetrahedral

A term used to describe molecules and polyatomic ions that have one atom in center and four atoms at the corners of a tetrahedron.

Phase Diagram

Diagram that shows equilibrium temperature-pressure relationships for different phases of a substance.

Lewis Base

Any species that can make available a share in an electron pair.

Avogadro's Number

The number (6.022x10^23) of atoms, molecules or particles found in exactly 1 mole of substance.

Ionization Energy

The minimum amount of energy required to remove the most loosely held electron of an isolated gaseous atom or ion.