![]() Baking soda is used as a leavening agent in cooking foods like pancakes, cakes, and breads.Ī lot of soaps are forms of sodium salts. Table salt is needed for animals to survive, but most people use it for adding flavor to their food.Īnother popular use of sodium is in baking soda which is the chemical compound sodium bicarbonate. Table salt is the compound sodium chloride (NaCl). The average person uses sodium every day in the form of table salt in their food. Sodium is primarily used in the form of compounds with other elements. Pure sodium can be recovered from sodium chloride through electrolysis. Sodium chloride is found in ocean water (salt water), salt lakes, and underground deposits. It is only found in compounds such as sodium chloride (NaCL) or table salt. It is never found in its pure form because it is so reactive. Sodium is the sixth most abundant element on Earth. Many of the compounds that sodium forms are water-soluble, meaning they dissolve in water. Sodium is most famous for its many useful compounds such as table salt (NaCl), sodium nitrate (Na 2CO 3), and baking soda (NaHCO 3). ![]() When sodium reacts with water it produces sodium hydroxide and hydrogen gas. Sodium will float on water, but it will also react violently when coming into contact with water. It is silvery-white in color and burns with a yellow flame. It is a very soft metal that can be easily cut with a knife. Sodium in its pure form is very reactive. The sodium atom has 11 electrons and 11 protons with one valence electron in the outer shell. Sodium is an alkali metal located in the first group or column of the periodic table. ![]() Discovered by: Sir Humphry Davy in 1807.
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