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

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Daughter Nuclide

Nuclide that is produced in a nuclear decay.

 

Activity of a component of ideal mixture

A dimensionless quantity whose magnitude is: equal to molar concentration in an ideal solution, equal to partial pressure in an ideal gas mixture, and defined as 1 for pure solids or liquids.

Gel

Colloidal suspension of a solid dispersed in a liquid, a semirigid solid.

Lewis Acid

Any species that can accept a share in an electron pair.

Le Chatelier's Principle

States that a system at equilibrium, or striving to attain equilibrium, responds in such a way as to counteract any stress placed upon it.
If a stress (change of conditions) is applied to a system at equilibrium, the system shifts in the direction that reduces stress.

Hydrogenation

The reaction in which hydrogen adds across a double or triple bond.

Resonance

The concept in which two or more equivalent dot formulas for the same arrangement of atoms (resonance structures) are necessary to describe the bonding in a molecule or ion.

Lone Pair

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

Distillation

The separation of a liquid mixture into its components on the basis of differences in boiling points. The process in which components of a mixture are separated by boiling away the more volitile liquid.

Chemical Bonds

The attractive forces that hold atoms together in elements or compounds.