Molecular formula
Molecular formula
The Molecular formula (pronunciation: /məˈlɛkjʊlər ˈfɔːrmjʊlə/) is a term used in Chemistry to denote the types and number of atoms present in a single molecule of a substance. It is a concise way of expressing information about the atoms that constitute a particular Chemical compound.
Etymology
The term "Molecular formula" is derived from the Latin word 'molecula', meaning 'small mass', and the Latin word 'formula', meaning 'form' or 'method'.
Related Terms
- Molecular weight: The weight of a molecule based on the atomic masses of all atoms in the molecule.
- Empirical formula: The simplest positive integer ratio of atoms present in a compound.
- Structural formula: A formula that shows the arrangement of atoms in the molecule of a compound.
- Chemical formula: A way of presenting information about the chemical proportions of atoms that constitute a particular chemical compound or molecule.
See also
External links
- Medical encyclopedia article on Molecular formula
- Wikipedia's article - Molecular formula
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