Sodium
Sodium Sodium (Na) Sodium has an atomic number of 11 and a mass of about 23g. ... Sodium has been known since early times and was used by the people of Mesopotamia and Egypt to make glasses. Sodium is the sixth most common element found on the earth. ... Sodium conducts heat and electricity easily. ... Sodium is found in compounds among dry lake beds, underground, and as well as in seawater in such places as: Belarus, China, France, Germany, India, Russia, Ukraine, United Kingdom, and the United States. Sodium is an extremely chemically active element. ... Since, sodium is such a dangerous element it has to be handled with care and stored airtight meaning without oxygen. Sodium was first extracted into pure form in 1807 by an English chemist known as Sir Humphry Davy. He used the process of electrolysis where an electrical current is passed through a molten sodium compound such as sodium chloride, sodium was first extracted into its pure form.