sodium
noun
- a soft, silver-white, metallic chemical element, one of the alkali metals, having a waxlike consistency: it is found in nature only in combined form and is extremely active chemically: symbol, Na; at. no., 11
- sodium chloride
See sodium in American Heritage Dictionary 4
(sōˈdē-əm)
noun Symbol Na A soft, light, extremely malleable silver-white metallic element that reacts explosively with water, is naturally abundant in combined forms, especially in common salt, and is used in the production of a wide variety of industrially important compounds. Atomic number 11; atomic weight 22.99; melting point 97.8°C; boiling point 892°C; specific gravity 0.971; valence 1. See Table at
element.
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