IUPAC nomenclature of inorganic chemistry

IUPAC nomenclature of inorganic chemistry is the system of rules and recommendations for naming inorganic compounds and describing their composition and structure.

Chemical formula: A symbolic expression showing the elements and relative numbers of atoms in a substance. Formulae supply the composition that many inorganic names express.
Stock nomenclature: A naming system that indicates an element’s oxidation state with a Roman numeral when needed. It names many inorganic compounds by specifying the oxidation state of a constituent.
Binary ionic compound: An ionic compound composed of two different elements, typically a metal and a nonmetal. Its names demonstrate how cation and anion names combine.
Common name: A widely used name that is not necessarily generated by formal chemical nomenclature rules. Common names such as water may persist alongside systematic names.
International Union of Pure and Applied Chemistry: An international organization that develops standards and recommendations for the chemical sciences. IUPAC coordinates the recommendations underlying modern inorganic naming.
Oxidation state: A formal charge assigned to an atom under conventions for allocating bonding electrons. Roman numerals in Stock names distinguish an element’s oxidation states.
Systematic name: A name generated according to explicit rules that encode a chemical entity’s features. IUPAC recommendations provide procedures for constructing systematic inorganic names.
Oxosalt: A salt containing an oxoanion, an anion with oxygen bonded to a central element. Oxosalt names use conventions for identifying the central element and its oxidation state.
Trivial name: A historically established chemical name that does not directly encode a substance’s structure or composition. Trivial names contrast with names constructed to communicate chemical features.
Nomenclature of Inorganic Chemistry: IUPAC’s reference publication setting out recommendations for naming inorganic compounds and entities. This reference codifies and explains the rules behind inorganic nomenclature.

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