regulates levels of intracellular monoatomic ion homeostasis https://github.com/geneontology/go-ontology/issues/24455 biological_process cellular monoatomic ion homeostasis A homeostatic process involved in the maintenance of a steady state level of monoatomic ions within a cell. Monatomic ions (also called simple ions) are ions consisting of exactly one atom. GO:0006873 cellular ion homeostasis cellular homeostasis monoatomic ion homeostasis intracellular chemical homeostasis