See also:

• Science: Chemistry: Elements: Alkali Metals  (2)
• Shopping: Publications: Books: Food and Drink: Cookbooks: Special Diets: Low Sodium  (3)

• ChemGlobe: Sodium - Electronic, thermal, and steric data along with basic information.
• ChemicalElements.com: Sodium - Basic information, atomic structure, and table of isotopes.
• EnvironmentalChemistry.com: Sodium - Atomic structure, chemical and physical properties, and table of nuclides.
• It's Elemental: Sodium - Basic physical and historical information.
• LANL: Sodium - Sources, properties, uses, and compounds.
• Lenntech: Sodium - Physical data, chemical properties, health and environmental effects.
• Visual Elements: Sodium - Image, animation, source, uses, key isotopes, and ionisation energies.
• WebElements: Sodium - Extensive information on history, uses, occurrence, compounds, and properties of the element.
• Wikipedia: Sodium - Properties of the element, including its history, applications, and characteristics.

• Radiochemistry of Sodium - Full text of the monograph by W. T. Mullins and G. W. Leddicotte (Oak Ridge National Laboratory, Oak Ridge, Tennessee). [PDF] (March, 1962)