Sodium
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Sodium is a chemical element; it has symbol Na 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 sta
Na
Emission spectrum for sodium, showing the D line
A positive flame test for sodium has a bright yellow color.
Sodium chloride
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Sodium chloride, is an ionic compound with the chemical formula NaCl, representing a 1:1 ratio of sodium and chloride ions. It is transparent or translucent, brittle, hygroscopic, and occurs as the mi
Sodium
…Davy in 1807 by the electrolysis of sodium hydroxide. Among many other useful sodium compounds, sodium hydroxide (lye) is used in soap manufacture, and sodium chloride (edible salt) is a de-icing agent and a nutrient for animals including humans. Sodium is an essential element for all animals and some plants. Sodium…
Selpologne
Mounds of road salt for use in winter
A class-D fire extinguisher for various metals
Sodium chloride crystal under microscope.