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Overview

Chemistry can be defined as:

  • The science of the composition, structure, properties, and reactions of matter, especially of atomic and molecular systems.
  • The composition, structure, properties, and reactions of a substance.


Chemistry involves the study of many substances. Substances differ greatly in properties, structure, and composition. The methods chemists use and the questions they attempt to answer also differ greatly. However, all chemists share certain fundamental ideas.

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