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A compound consisting of three elements, may be ionic or covalent.

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Radioactive Dating

Method of dating ancient objects by determining the ratio of amounts of mother and daughter nuclides present in an object and relating the ratio to the object?s age via half-life calculations.

Valence Electrons

Outermost electrons of atoms, usually those involved in bonding.

Photon

A packet of light or electromagnetic radiation, also called quantum of light.

 

Ideal Solution

A solution that obeys Raoult's Law exactly.

Suspension

A heterogeneous mixture in which solute-like particles settle out of solvent-like phase some time after their introduction.

Supercritical Fluid

A substance at temperature above its critical temperature.

Homogeneous Catalyst

A catalyst that exists in the same phase (solid, liquid or gas) as the reactants. The process is called Homogeneous Catalysis.

Dispersing Medium

The solvent-like phase in a colloid.

Weak Field Ligand

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

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.