  |
WebElements: Sodium - http://www.webelements.com/webelements/elements/text/Na/key.html
Extensive information on history, uses, occurrence, compounds, and properties of the element. |
| |
Wikipedia: Sodium - http://en.wikipedia.org/wiki/Sodium
Properties of the element, including its history, applications, and characteristics. |
| |
LANL: Sodium - http://periodic.lanl.gov/elements/11.html
Sources, properties, uses, and compounds. |
| |
It's Elemental: Sodium - http://education.jlab.org/itselemental/ele011.html
Basic physical and historical information. |
| |
ChemicalElements.com: Sodium - http://www.chemicalelements.com/elements/na.html
Basic information, atomic structure, and table of isotopes. |
| |
EnvironmentalChemistry.com: Sodium - http://environmentalchemistry.com/yogi/periodic/Na.html
Atomic structure, chemical and physical properties, and table of nuclides. |
| |
Lenntech: Sodium - http://www.lenntech.com/Periodic-chart-elements/Na-en.htm
Physical data, chemical properties, health and environmental effects. |
| |
Visual Elements: Sodium - http://www.chemsoc.org/viselements/pages/sodium.html
Image, animation, source, uses, key isotopes, and ionisation energies. |
| |
ChemGlobe: Sodium - http://partisans.spurious.biz/~pkremer/projects/chemglobe/ptoe/_/11.html
Electronic, thermal, and steric data along with basic information. |
 |
Radiochemistry of Sodium - http://library.lanl.gov/cgi-bin/getfile?rc000010.pdf
Full text of the monograph by W. T. Mullins and G. W. Leddicotte (Oak Ridge National Laboratory, Oak Ridge, Tennessee). |