Lewis structure
Noun
Meaning
Lewis structure (plural Lewis structures)
English Wikipedia has an article on:Lewis structureWikipedia
(chemistry) A diagram that shows the bonding between atoms of a molecule and the lone pairs of electrons that may exist in the molecule.
Examples
Covalent bonding is implied in the Lewis structure by indicating electrons shared between atoms.
However, the use of a Lewis structure and electron counting shows that the two sulfur atoms are different.
Resonance main There are situations whereby a single Lewis structure is insufficient to explain the electron configuration in a molecule, hence a superposition of structures are needed.
The Lewis structure of the carbonate ion has two (long) single bonds to negative oxygen atoms, and one short double bond to a neutral oxygen.