meaning of sodium
1. A common metallic element of the alkali group, in nature always occuring combined, as in common salt, in albite, etc. It is isolated as a soft, waxy, white, unstable metal, so readily oxidized that it combines violently with water, and to be preserved must be kept under petroleum or some similar liquid. Sodium is used combined in many salts, in the free state as a reducer, and as a means of obtaining other metals (as magnesium and aluminium) is an important commercial product. Symbol Na (Natrium). Atomic weight 23. Specific gravity 0. 97.
2. a silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds especially in salt water; burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite rock salt
Related Words
sodium | sodium benzoate | sodium bicarbonate | sodium bichromate | sodium carbonate | sodium carboxymethyl cellulose | sodium chlorate | sodium chloride | sodium cyanide | sodium dichromate | sodium ethylmercurithiosalicylate | sodium fluoride | sodium hydride | sodium hydrogen carbonate | sodium hydroxide | sodium hypochlorite | sodium iodide | sodium lauryl sulfate | sodium lauryl sulphate | sodium nitrate | sodium nitrite | sodium orthophosphate | sodium phosphate | sodium pyrophosphate | sodium salicylate | sodium silicate | sodium sulfate | sodium sulphate | sodium thiopental | sodium thiosulfate |
