Removal of some ions from solution by precipitation while leaving other ions with similar properties in solution.
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Osmosis
The process by which solvent molecules pass through a semipermable membrane from a dilute solution into a more concentrated solution.
Homogeneous Mixture
A mixture which has uniform composition and properties throughout.
Solvolysis
The reaction of a substance with the solvent in which it is dissolved.
Radioactivity
The spontaneous disintegration of atomic nuclei.
Aromatic Hydrocarbons
Benzene and its derivatives.
Periodic Table
An arrangement of elements in order of increasing atomic numbers that also emphasizes periodicity.
Features of the Scanning Tunneling Microscope
The scanning tunneling microscope (STM) invented by Heinrich Rohrer and Gerd Binnig in the 1980s still manages to do a great job today and competes with more advanced microscope types.
The scanning tunneling microscope is used for studying the surface atoms that are found on various materials. The device is based on a complex process of "tunneling" electrons between the material and the tip of a probe.
Group
A vertical column in the periodic table, also called a family.
Distillate
The material in a distillation apparatus that is collected in the receiver.
Particulate Matter
Fine divided solid particles suspended in polluted air.
