Potassium (from the Latin scientific potassium, which in turn comes from potassium) is the atomic number 19 atomic element. Its symbol is K and derives from the beginning of the Latin name potassium.
It is a soft, white-silver alkaline metal that is in nature combined with other elements in both sea water and many minerals. It is rapidly oxidized to air and is very reactive, especially with water; Resembles sodium for its chemical behavior. It is a highly inflammable and corrosive element.
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