Elemental Potassium in Oil
Potassium (pronounced /pəˈtæsiəm/) is a chemical element. It has the symbol K (Latin: kalium, from Arabic: القَلْيَه al-qalyah “plant ashes”, cf. Alkali from the same root), atomic number 19, and atomic mass Potassium was first isolated from potash, hence the name. Elemental potassium is a soft silvery-white metallic alkali metal that oxidizes rapidly in air and is very reactive with water, generating sufficient heat to ignite the evolved hydrogen. Potassium in nature occurs only as ionic salt. As such, it is found dissolved in seawater, and as part of many minerals. Potassium ion is necessary for the function of all living cells, and is thus present in all plant and animal tissues. It is found in especially high concentrations in plant cells, and in a mixed diet, it is most highly concentrated in fruits.
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Photo credit: © Phil Degginger / Alamy / Afripics
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Keywords: alkali, chemical, element, elemental, elements, hazardous, ingot, metal, metallic, metals, oil, potassium, pure, reacting, reactive, sample, unstable
