Lewis structures
E585209
Lewis structures are diagrams in chemistry that represent the bonding between atoms and the distribution of valence electrons in molecules and ions.
Observed surface forms (2)
| Surface form | Occurrences |
|---|---|
| Lewis dot diagram | 1 |
| Lewis structure | 1 |
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
chemical notation
ⓘ
diagrammatic representation ⓘ molecular representation ⓘ |
| areSimplifiedRelativeTo |
molecular orbital descriptions
ⓘ
quantum mechanical wavefunctions ⓘ |
| assume |
localized electron pairs
ⓘ
two electrons per covalent bond ⓘ |
| basedOn |
formal charge minimization
ⓘ
octet rule ⓘ valence electron count ⓘ |
| canInclude |
expanded octets
ⓘ
incomplete octets ⓘ odd-electron species ⓘ |
| constructionStep |
assign and minimize formal charges
ⓘ
connect atoms with single bonds ⓘ count total valence electrons ⓘ distribute remaining electrons as lone pairs ⓘ form multiple bonds if needed to satisfy octets ⓘ |
| field | chemistry ⓘ |
| haveLimitation |
do not represent electron delocalization exactly
ⓘ
do not show three-dimensional geometry explicitly ⓘ may not be unique for resonance-stabilized species ⓘ |
| namedAfter | Gilbert N. Lewis NERFINISHED ⓘ |
| represent |
bonding between atoms
ⓘ
covalent bonds ⓘ distribution of valence electrons ⓘ formal charges ⓘ lone pairs of electrons ⓘ molecules ⓘ multiple bonds ⓘ polyatomic ions ⓘ resonance structures ⓘ |
| showAs |
dots for valence electrons
ⓘ
lines for bonding electron pairs ⓘ pairs of dots for lone pairs ⓘ plus and minus signs for formal charges ⓘ |
| usedFor |
applying VSEPR theory
ⓘ
constructing resonance hybrids ⓘ identifying electron-poor regions ⓘ identifying electron-rich regions ⓘ predicting bond order qualitatively ⓘ predicting molecular shape qualitatively ⓘ predicting reactivity sites ⓘ teaching basic bonding concepts ⓘ |
| usedIn |
chemical education
ⓘ
general chemistry ⓘ inorganic chemistry ⓘ organic chemistry ⓘ physical chemistry ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Lewis structure
this entity surface form:
Lewis dot diagram