Displayed formula
What Displayed formula means in Chemistry A-Level, as defined for AQA, OCR.
Definitions of Displayed formula
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Reference: AQA
A formula that shows every atom and every bond, and for enantiomers also shows the arrangement in space with two bonds in the plane, one on a wedge and one dashed.
A formula that shows every atom and every bond between them as separate lines, so the relative positioning of atoms is explicit.
A representation showing every atom and every bond, although bond angles need not be correct.
Draws every bond, unlike a structural formula, which shows how atoms are joined.
A representation that shows every atom and every bond.
Topics that use Displayed formula
- Nomenclature (AQA A-Level)
- Optical isomerism (A-level only) (AQA A-Level)
- Basic concepts of organic chemistry (OCR A-Level)
Related terms
- General formula
- Homologous series
- Molecular formula
- Alphabetical ordering of substituents
- alphabetical prefixes
- Aromatic compound
- attack from either side
- carboxyl group
Using Displayed formula in the exam
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