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For simple molecules, a condensed (or semi-structural) formula is a type of chemical formula that may fully imply a correct structural formula. For example, ethanol may be represented by the condensed chemical formula CH 3 CH 2 OH , and dimethyl ether by the condensed formula CH 3 OCH 3 .
In condensed structural formulas, many or even all of the covalent bonds may be left out, with subscripts indicating the number of identical groups attached to a particular atom. Another shorthand structural diagram is the skeletal formula (also known as a bond-line formula or carbon skeleton diagram).
Skeletal structural formula of Vitamin B 12.Many organic molecules are too complicated to be specified by a molecular formula.. The structural formula of a chemical compound is a graphic representation of the molecular structure (determined by structural chemistry methods), showing how the atoms are connected to one another. [1]
The Canadian publisher Black Press publishes newspapers in the provinces of British Columbia and Alberta in both tabloid (10 + 1 ⁄ 4 in (260 mm) wide by 14 + 1 ⁄ 2 in (368 mm) deep) and what it calls "tall tab" format, where the latter is 10 + 1 ⁄ 4 in (260 mm) wide by 16 + 1 ⁄ 4 in (413 mm) deep, larger than tabloid but smaller than ...
The skeletal formula of the antidepressant drug escitalopram, featuring skeletal representations of heteroatoms, a triple bond, phenyl groups and stereochemistry. The skeletal formula, line-angle formula, bond-line formula or shorthand formula of an organic compound is a type of molecular structural formula that serves as a shorthand representation of a molecule's bonding and some details of ...
In principle, just what constitutes "structure" vs. non-structure can vary. In a book specifically about typography, tagging something as "italic" or "bold" may well be the whole point. For example, a discussion of when to use particular styles will likely want to give examples and counter-examples, which would no longer make sense if the ...
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the condensed formula (or semi-structural formula) CH 3 CH 2 CH 2 CH 3. A chemical formula identifies each constituent element by its chemical symbol , and indicates the proportionate number of atoms of each element.