Structural formula
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Structural formula
The Structural formula (pronunciation: struhk-cher-uhl fawr-myuh-luh) is a type of chemical formula that graphically represents the molecular structure of a chemical compound. It shows how the atoms are arranged and bonded together in a molecule.
Etymology
The term "Structural formula" is derived from the Latin word "structura" meaning "a fitting together, structure" and the Medieval Latin word "formula" meaning "form, rule."
Related Terms
- Molecular formula: A formula showing the number and type of atoms present in a molecule of a compound.
- Empirical formula: The simplest positive integer ratio of atoms present in a compound.
- Condensed formula: A system of writing organic structures in a line of text.
- Isomer: Molecules with the same molecular formula but different structural formulas.
- Resonance (chemistry): A way of describing delocalized electrons within certain molecules or polyatomic ions where the bonding cannot be expressed by a single structural formula.
See also
References
External links
- Medical encyclopedia article on Structural formula
- Wikipedia's article - Structural formula
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