In chemistry, complex (TR:619) is a molecular entity formed by loose association involving two or more component molecular entities (ionic or uncharged), or corresponding chemical species; wherein the bonding between components is normally weaker than in a covalent bond, hence the term "binding", as in "molecular binding" tends to be employed, to distinguish that non-covalent bonding, e.g. van der Waals force interaction is accruing. [1]

See also
‚óŹ Complexity theory

1. Complex – IUPAC Gold Book.

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