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Sodium is a chemical element; it has symbol Na (from Neo-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.
The most important sodium compounds are table salt (Na Cl), soda ash (Na 2 CO 3), baking soda (Na HCO 3), caustic soda (NaOH), sodium nitrate (Na NO 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). [7] In compounds, sodium is usually ionically bonded to water and anions and is ...
The sodium–potassium pump, a critical enzyme for regulating sodium and potassium levels in cells. Sodium ions (Na +) are necessary in small amounts for some types of plants, [1] but sodium as a nutrient is more generally needed in larger amounts [1] by animals, due to their use of it for generation of nerve impulses and for maintenance of electrolyte balance and fluid balance.
Sodium 2. NA: June 16, 2011. EU: June 16, 2011. Genre (s) MMO. Sodium was a massively multiplayer online game that was based in and exclusive to the PlayStation 3 's online community-based social gaming network PlayStation Home. Sodium was a planned four-part series of games, only two of which were released by the time of Home's closure.
edit. There are 20 isotopes of sodium (11 Na), ranging from 17. Na to 39. Na (except for the still-unknown 36 Na and 38 Na), [4] and five isomers (two for 22. Na, and one each for 24. Na, 26. Na, and 32. Na). 23. Na is the only stable (and the only primordial) isotope.
A low sodium diet is a diet that includes no more than 1,500 to 2,400 mg of sodium per day. [1] The human minimum requirement for sodium in the diet is about 500 mg per day, [2] which is typically less than one-sixth as much as many diets "seasoned to taste". For certain people with salt-sensitive blood pressure or diseases such as Ménière's ...
The Durkin Opening (also known as the Durkin Attack or the Sodium Attack) is a rarely played chess opening that consists of the following move: 1. Na3. The Durkin Opening is named for Robert T. Durkin (1923–2014) of New Jersey. The name "Sodium Attack" comes from the algebraic notation 1.Na3, as Na is the chemical symbol for the element sodium.
Speedrun of a SuperTux level. Speedrunning is the act of playing a video game, or section of a video game, with the goal of completing it as fast as possible. Speedrunning often involves following planned routes, which may incorporate sequence breaking and exploit glitches that allow sections to be skipped or completed more quickly than ...