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A macroscopic sample consisting of one chemical substance within the resolution and specification of the analysis.
wp-chem-stoichiometryopenstax-chemistry-2eiupac-gold-bookEach relation below ends at this concept.
This is an authored directed relation from the source endpoint to the target endpoint.
A pure substance is a sample realization of a single chemical substance within an analytical specification.
The target is a member or subtype of the broader source class.
wp-chem-stoichiometryopenstax-chemistry-2eiupac-gold-bookEach relation below starts at this concept.
This is an authored directed relation from the source endpoint to the target endpoint.
Compounds form one principal class of pure substances; elemental substances form the other.
The target is a member or subtype of the broader source class.
wp-chem-stoichiometryopenstax-chemistry-2eiupac-gold-bookThis is an authored directed relation from the source endpoint to the target endpoint.
An elemental substance contains atoms of one chemical element, although isotopic composition and allotrope can vary.
The target is a member or subtype of the broader source class.
wp-chem-stoichiometryopenstax-chemistry-2eiupac-gold-book