Question: potassium ions are essential to human health?
Answer: Potassium ions are essential to human health. The movement of dissolved potassium ions, K (aq), in and out of a nerve cell allows that cell to transmit an electrical impulse. ... [1] When an atom of potassium loses an electron to form a K ion, the electron configuration changes from 2-8-8-1 to 2-8-8.