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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.
- Natrium (Disambiguation)
Natrium is the Latin name of sodium. Natrium may also refer...
- Abundance of Elements in Earth's Crust
Abundance of chemical elements in Earth's (continental)...
- Isotopes of Sodium
There are 20 isotopes of sodium (11 Na), ranging from 17 Na...
- Flame Test
A flame test is relatively quick test for the presence of...
- Standard Atomic Weight
Example: copper in terrestrial sources. Two isotopes are...
- Sodium in biology
Sodium and Water Balance. Sodium is the primary cation...
- Sodium compounds
The most important sodium compounds are table salt (NaCl),...
- Sodium chloride
Sodium chloride / ˌ s oʊ d i ə m ˈ k l ɔːr aɪ d /, commonly...
- Natrium (Disambiguation)
Sodium. body-centered cubic (bcc) 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. Because of this, all sodium in nature (mainly found in seawater) is of the isotope 11 Na 23.
1 day ago · sodium (Na), chemical element of the alkali metal group (Group 1 [Ia]) of the periodic table. Sodium is a very soft silvery-white metal. Sodium is the most common alkali metal and the sixth most abundant element on Earth, comprising 2.8 percent of Earth’s crust.
- The Editors of Encyclopaedia Britannica
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).
