potassium(1+) K CHEBI:8345 InChI=1S/K/q+1 KEGG:D08403 K(+) [K+] K+ potassium(1+) ion NPYPAHLBTDXSSS-UHFFFAOYSA-N A monoatomic monocation obtained from potassium. CAS:24203-36-9 CHEBI:29103 PDBeChem:K 39.09830 Gmelin:15203 potassium(1+) potassium(I) cation CHEBI:26219 38.96316 KEGG:C00238 +1 POTASSIUM ION potassium cation chebi_ontology CHEBI:49685 alkali metal molecular entity