Updated November. 26, 2009
Sodium (pronounced /ˈsoʊdiəm/, SOH-di-əm) is a metallic element with a symbol Na (from Latin natrium or Arabic natrun) and atomic number 11. It is a soft, silvery-white, highly ...http://en.wikipedia.org/wiki/Sodium
Updated November. 28, 2009
Sodium chloride, also known as salt, common salt, table salt, or halite, is an ionic compound with the formula Na Cl. Sodium chloride is the salt most responsible for the salinity ...http://en.wikipedia.org/wiki/Sodium_Chloride
Updated November. 19, 2009
sodium n. ( Symbol Na ) A soft, light, extremely malleable silver-white metallic element that reacts explosively with water, is naturally abundanthttp://www.answers.com/topic/sodium