Monatomic ions are ions formed from single atoms that have gained or lost electrons to achieve stable electron configurations.
Topic 4.9: 4.9 Oxidation-Reduction (Redox) Reactions
Monatomic Ions cheat sheet for homework
A positively charged ion that has lost one or more electrons.
A negatively charged ion that has gained one or more electrons.
The outermost electrons in an atom involved in forming bonds with other atoms.