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Colloidal suspension of a liquid in a liquid.

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Faraday

One faraday of electricity corresponds to the charge on 6.022 x 1023 electrons, or 96,487.301 coulombs.

Percent Composition

The mass percent of each element in a compound.

Band

A series of very closely spaced, nearly continuous molecular orbitals that belong to the crystal as a whole.

Buffer Solution

Solution that resists change in pH, contains either a weak acid and a soluble ionic salt of the acid or a weak base and a soluble ionic salt of the base.

Differential Thermometer

A thermometer used for accurate measurement of very small changes in temperature.

Dipole

Refers to the separation of charge between two covalently bonded atoms.

Ionic Compounds

Compounds containing predominantly ionic bonding.

Secondary Standard

A solution that has been titrated against a primary standard. A standard solution is a secondary standard.

 

Equation of State

An equation that describes the behavior of matter in a given state, the van der Waals equation describes the behavior of the gaseous state.

Alpha (a) Particle

Helium ion with 2+ charge, an assembly of two protons and two neutrons.