What is the chemical symbol for sodium?
Sodium is a chemical element in group 1 of the periodic table that's represented by the symbol Na and has an atomic number of 11. Classified as an alkali metal, it is the sixth most abundant element in the Earth's crust, where it exists in numerous minerals such as feldspars, sodalite, and halite (NaCl). It is soft, silvery-white, highly reactive, and exists as a solid at room temperature.