: a chemical formula that gives the total number of atoms of each element in each molecule of a substance — compare structural formula
Examples of molecular formula in a Sentence
Recent Examples on the WebEvery finite group has a unique molecular formula of this kind — a collection of simple groups from which it is made.
Quanta Magazine, 22 Sep. 2017
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: a chemical formula for a compound existing as discrete molecules that gives the total number of atoms of each element in a moleculethe molecular formula for water is H2O — see structural formula — compare empirical formula