Word:

Sodium

So´di`um
n.1.(Chem.) 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 highly reactive 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 22.990. Specific gravity 0.97.
Sodium amalgam
an alloy of sodium and mercury, usually produced as a gray metallic crystalline substance, which is used as a reducing agent, and otherwise.
Sodium carbonate
a white crystalline substance, Na2CO3.10H2O, having a cooling alkaline taste, found in the ashes of many plants, and produced artifically in large quantities from common salt. It is used in making soap, glass, paper, etc., and as alkaline agent in many chemical industries. Called also sal soda, washing soda, or soda. Cf. Sodium bicarbonate, and Trona.
Sodium chloride
common, or table, salt, NaCl.
Sodium hydroxide
a white opaque brittle solid, NaOH, having a fibrous structure, produced by the action of quicklime, or of calcium hydrate (milk of lime), on sodium carbonate. It is a strong alkali, and is used in the manufacture of soap, in making wood pulp for paper, etc. Called also sodium hydrate, and caustic soda. By extension, a solution of sodium hydroxide.
Noun1.sodium - 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)
Synonyms: atomic number 11, Na
atomic number 11, brine, halite, metal, metallic element, Na, rock salt, saltwater, seawater
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-- Sodium --
Sodium amalgam
sodium benzoate
Sodium bicarbonate
sodium bichromate
sodium carbonate
sodium carboxymethyl cellulose
sodium chlorate
sodium chloride
sodium cyanide
sodium dichromate
sodium ethylmercurithiosalicylate
sodium fluoride
sodium hydrate
sodium hydride
sodium hydrogen carbonate
sodium hydroxide
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