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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.
Element Sodium (Na), Group 1, Atomic Number 11, s-block, Mass 22.990. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
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.
19 Σεπ 2024 · Sodium has been identified in both the atomic and ionic forms in the spectra of stars, including the Sun, and the interstellar medium. Analysis of meteorites indicates that the silicate material present has an average content of approximately 4.6 atoms of sodium for every 100 atoms of silicon.
8 Απρ 2020 · With the periodic table symbol Na, atomic number 11, atomic mass of 22.990 (23) g.mol-1, and electron configuration [Ne] 3s1, sodium is soft, easily malleable, silvery-white metal with a bright luster that can be dented with any harder object.
3 Ιουλ 2019 · Sodium metal is mass produced by electrolysis of sodium chloride. The D lines of sodium's spectrum account for the dominant yellow color of the un. Sodium is the most abundant alkali metal.
IUPAC Commission on Isotopic Abundances and Atomic Weights (CIAAW) Although sodium is the sixth most abundant element on earth and comprises about 2.6% of the earth's crust, it is a very reactive element and is never found free in nature.
