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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.
Sodium is highly reactive, forming a wide variety of compounds with nearly all inorganic and organic anions (negatively charged ions). It normally has an oxidation state of +1, and its single valence electron is lost with great ease, yielding the colourless sodium cation (Na +).
Chemistry teachers often confuse children when they tell them about chemical symbols. Whilst ones like H, N, C and O all seem perfectly logical, abbreviating sodium to Na seems counterintuitive at first.
Sodium - Chemical Properties, Reactions, Uses: Generally, elemental sodium is more reactive than lithium, and it reacts with water to form a strong base, sodium hydroxide (NaOH). Its chemistry is well explored.
Sodium is the 11th element in the periodic table and has a symbol of Na and atomic number of 11. It has an atomic weight of 22.98977 and a mass number of 23. Sodium has eleven protons and twelve neutrons in its nucleus, and eleven electrons in three shells.
Sodium (pronunciation SO-dee-em [2]), represented by the chemical symbol or formula Na [1], is a soft, malleable element belonging to the family of alkali metals [3]. Naturally occurring Na is its most stable isotope with mass number 23 [1, 3] .
The chemistry of sodium is dominated by the +1 ion Na +. Sodium salts impart a characteristic orange/yellow colour to flames and orange street lighting is orange because of the presence of sodium in the lamp.