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The arrangement of atoms (not lone pairs of electrons) around a central atom of a molecule or polyatomic ion.

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Detergent

A soap-like emulsifer that contains a sulfate, SO3 or a phosphate group instead of a carboxylate group.

Anode

In a cathode ray tube, the positive electrode. Electrode at which oxidation occurs.

Distillate

The material in a distillation apparatus that is collected in the receiver.

 

Polarimeter

A device used to measure optical activity.

Homonuclear

Consisting of only one element.

Domain

A cluster of atoms in a ferromagnetic substance, all of which align in the same direction in the presence of an external magnetic field.

Electromagnetic Radiation

Energy that is propagated by means of electric and magnetic fields that oscillate in directions perpendicular to the direction of travel of the energy.

Heterogeneous Equilibria

Equilibria involving species in more than one phase.

Gangue

Sand, rock, and other impurities surrounding the mineral of interest in an ore.

Deposition

The direct solidification of a vapor by cooling, the reverse of sublimation.