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Sodium is a chemical element; it has symbol Na and atomic number 11. It is a soft, silvery-white, highly reactive metal. Sodium is an alkali metal, being in group 1 of the periodic table. Its only stable isotope is 23Na. The free metal does not occur in nature and must be prepared from compounds.
Sodium and Water Balance. Sodium is the primary cation (positively charged ion) in extracellular fluids in animals and humans. These fluids, such as blood plasma and extracellular fluids in other tissues, bathe cells and carry out transport functions for nutrients and wastes.
Element Sodium (Na), Group 1, Atomic Number 11, s-block, Mass 22.990. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images. Jump to main content
Sep 28, 2011 · The chemical element sodium is classed as an alkali metal. It was discovered in 1807 by Sir Humphry Davy. Data Zone. Show more, including: Heats, Energies, Oxidation, Reactions, Compounds, Radii, Conductivities. Untarnished sodium stored under oil. Sodium metal with oxide layer on uncut surfaces.
Sodium chloride / ˌ s oʊ d i ə m ˈ k l ɔːr aɪ d /, commonly known as edible salt, is an ionic compound with the chemical formula NaCl, representing a 1:1 ratio of sodium and chlorine ions. It is transparent or translucent, brittle, hygroscopic , and occurs as the mineral halite .
The most important sodium compounds are table salt (NaCl), soda ash (Na 2 CO 3), baking soda (NaHCO 3), caustic soda (NaOH), sodium nitrate (NaNO 3), di- and tri-sodium phosphates, sodium thiosulfate (Na 2 S 2 O 3 ·5H 2 O), and borax (Na 2 B 4 O 7 ·10H 2 O). In compounds, sodium is usually ionically bonded to water and anions and is viewed as ...
chemical element with symbol Na and atomic number 11 / From Wikipedia, the free encyclopedia. Sodium is a chemical element with an atomic number of 11. Its symbol is Na (from its Latin name natrium ). It is an alkali metal. Although sodium has many isotopes, most decay in a short time.
