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A substance that cannot be decomposed into simpler substances by chemical means.

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Miscibility

The ability of one liquid to mix with (dissolve in) another liquid.

Boiling Point

The temperature at which the vapor pressure of a liquid is equal to the applied pressure, also the condensation point

xenon

A heavy, colorless, chemically inactive, monatomic gaseous element used for filling radio, television, and luminescent tubes. Symbol: Xe, at. wt.: 131.30, at. no.: 54.

Alkali Metals

Metals of Group IA (Na, K, Rb).

Heisenberg Uncertainty Principle

It is impossible to determine accurately both the momentum and position of an electron simultaneously.

Mother Nuclide

Nuclide that undergoes nuclear decay.

Lone Pair

Pair of electrons residing on one atom and not shared by other atoms, unshared pair.

Cell Potential

Potential difference, Ecell, between oxidation and reduction half-cells under nonstandard conditions.

 

Polymorphous

Refers to substances that crystallize in more than one crystalline arrangement.

Distilland

The material in a distillation apparatus that is to be distilled.