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It is the force in dynes acting along the surface of the liquid 1cm in length and perpendicular to it.

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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.

Cation

A positive ion, an atom or group of atoms that has lost one or more electrons.

Lewis Acid

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

Metathesis Reactions

Reactions in which two compounds react to form two new compounds, with no changes in oxidation number. Reactions in which the ions of two compounds exchange partners.

 

Atomic Orbital

Region or volume in space in which the probability of finding electrons is highest.

Foam

Colloidal suspension of a gas in a liquid.

Effective Molality

The sum of the molalities of all solute particles in a solution.

Hund's Rule

All orbitals of a given sublevel must be occupied by single electrons before pairing begins.

Overlap

The interaction of orbitals on different atoms in the same region of space.

Saturated Hydrocarbons

Hydrocarbons that contain only single bonds. They are also called alkanes or paraffin hydrocarbons.