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Word Count: 245
Life could not exist without compounds of sodium These compounds hold water in body tissues and a severe lack of sodium can cause death Blood contains sodium compounds in solution In its pure form sodium is a silver-white metallic element One of the most common sodium compounds is table salt or sodium chloride Other sodium compounds are baking soda borax and caustic soda Sodium belongs to the group of elements known as alkali metals It is never found uncombined in nature and was first collected by the English scientist Sir Humphry Davy in 1807 It is lighter than water Pure sodium can be cut with a knife at room temperature but is brittle at low temperatures One of the few uses of pure sodium is in vapor lamps along highways A Belgian manufacturer introduced the Solvay process In the Solvay method strong ammonia-saturated salt brine is treated with carbon dioxide gas that is bubbled through the brine from below This causes reactions that produce ammonium chloride and baking soda The sodium bicarbonate forms a crystalline precipitate which is filtered out This is then heated driving off hydrogen carbon and oxygen and leaving sodium carbonate Sodium is a very important element and we are lucky we have it Sodiums uses have helped the world move ahead I think that sodium is a very interesting element Properties of Sodium Symbol- Na Atomic Number- 11 Atomic Weight- 229898 Group in Periodic Table- Ia Boiling Point- 16212o F Melting Point- 20806o F
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