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      • Sodium is an alkali metal, being in group 1 of the periodic table. Its only stable isotope is 23 Na. The free metal does not occur in nature, and must be prepared from compounds. Sodium is the sixth most abundant element in the Earth's crust and exists in numerous minerals such as feldspars, sodalite, and halite (NaCl).
      en.wikipedia.org/wiki/Sodium
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  2. en.wikipedia.org › wiki › SodiumSodium - Wikipedia

    Sodium is a chemical element with the symbol Na (from Latin natrium) 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 23 Na. The free metal does not occur in nature, and must be prepared from compounds.

    • silvery white metallic
    • group 1: hydrogen and alkali metals
    • 11
    • Properties
    • Discovery and Name
    • Use as Element
    • Occurrence and Production
    • Use in Organisms
    • Related Pages

    Sodium is a light, silver-coloured metal. Sodium is so soft that it can be easily cut with a knife. When it is cut, the surface will become white over time. This is because it reacts with air to form sodium hydroxide and sodium carbonate. Sodium is a little lighter than water; when it reacts with water it floats and reacts. This reaction is very fa...

    Sodium was discovered by Sir Humphrey Davy, an English scientist, back in 1807. He made it by the electrolysis of sodium hydroxide. It is named after soda, a name for sodium hydroxide or sodium carbonate.

    It is used in the preparation of organic compounds. It is also used in the street lights that are orange, and ultra violet lights.

    Sodium does not exist as an element in nature; its easily removed valence electron is too reactive. It exists as an ion in chemical compounds. Sodium ions are found in the ocean. It is also found as sodium chloride in the earth's crust, where it is mined. Sodium is normally made by electrolysis of very hot sodium chloridethat was melted.

    Sodium ion in the form of sodium chloride is needed in the human body, but large amounts of it cause problems, which is why one should not eat too much salt and other food items with huge sodium amount (such as biscuits with baking soda). Many organisms in the ocean depend on the proper concentration of ions in sea water to live.

    • silvery white metallic
    • 11
  3. fr.wikipedia.org › wiki › SodiumSodium — Wikipédia

    Sodium Wikipédia 161 langues Afrikaans አማርኛ Aragonés العربية الدارجة مصرى Asturianu Azərbaycanca تۆرکجه Basa Bali Bikol Central Беларуская Беларуская (тарашкевіца) Български भोजपुरी বাংলা བོད་ཡིག Brezhoneg Bosanski Català Mìng-dĕ̤ng-ngṳ̄ Cebuano کوردی Corsu Čeština Чӑвашла Cymraeg Dansk Deutsch ދިވެހިބަސް Ελληνικά English Esperanto Español Eesti

    • Sodium
    • Na
    • 11
    • 1
    • Overview
    • Uses
    • Chemistry
    • Occurrence
    • Production

    Sodium chloride /ˌsoʊdiəm ˈklɔːraɪd/, commonly known as salt, is an ionic compound with the chemical formula NaCl, representing a 1:1 ratio of sodium and chloride ions. With molar masses of 22.99 and 35.45 g/mol respectively, 100 g of NaCl contains 39.34 g Na and 60.66 g Cl. Sodium chloride is the salt most responsible for the salinity of seawater ...

    In addition to the familiar domestic uses of salt, more dominant applications of the approximately 250 million tonnes per year production include chemicals and de-icing.

    In solid sodium chloride, each ion is surrounded by six ions of the opposite charge as expected on electrostatic grounds. The surrounding ions are located at the vertices of a regular octahedron. In the language of close-packing, the larger chloride ions are arranged in a cubic a

    The pH of a sodium chloride solution remains ≈7 due to the extremely weak basicity of the Cl− ion, which is the conjugate base of the strong acid HCl. In other words, NaCl has no effect on system pH in diluted solutions where the effects of ionic strength and activity ...

    Common salt has a 1:1 molar ratio of sodium and chlorine. In 2013, compounds of sodium and chloride of different stoichiometries have been discovered; five new compounds were predicted. The existence of some of them has been experimentally confirmed at high pressures: cubic and o

    Small particles of sea salt are the dominant cloud condensation nuclei far out at sea, which allow the formation of clouds in otherwise non-polluted air.

    Salt is currently mass-produced by evaporation of seawater or brine from brine wells and salt lakes. Mining of rock salt is also a major source. China is the world's main supplier of salt. In 2017, world production was estimated at 280 million tonnes, the top five producers being China, United States, India, Germany, and Canada. Salt is also a bypr...

    • NaCl
    • 58.443 g/mol
    • 800.7 °C (1,473.3 °F; 1,073.8 K)
    • 360 g/1000 g pure water at T = 25 °C
  4. sco.wikipedia.org › wiki › SodiumSodium - Wikipedia

    Sodium Frae Wikipedia, the free beuk o knawledge Sodium is a chemical element wi the symbol Na (frae Laitin: natrium) an atomic nummer 11. It is a saft, siller-white, heichly reactive metal an is a member o the alkali metals; its anly stable isotope is 23 Na.

    • sillery white metallic
    • 22.98976928(2)
    • Na:
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