Chemistry Elements Potassium

• Science: Chemistry: Elements: Alkali Metals 
• Health: Nutrition: Nutrients: Vitamins and Minerals: Potassium 
• Health: Conditions and Illness: Nutritional and Metabolic Diseases: Vitamin and Mineral: Deficiency, Dependency, and Toxicity: Potassium 

• ChemGlobe: Potassium  - Resource on the element’s basic electronic, thermal, and steric data for various fields of related study.
• Chemical Elements.com: Potassium (K)  - Imparts basic data, atomic structure, and graphic chart of isotopes of the element.