Octet rule — Science definition
The tendency of atoms to gain, lose, or share electrons until their outermost shell holds a stable set of eight valence electrons.
Where it is taught
- Ionic Bonding — Bonding, Formulas & Molecular Structure, Physical Science: Chemistry, Grade 11
In use
The octet rule is a useful main-group pattern with exceptions, not a goal that atoms try to achieve.
Ionic Bonding