Why does potassium have the symbol K?

The chemical symbol K comes from kalium, the Mediaeval Latin for potash, which may have derived from the arabic word qali, meaning alkali. Potassium is a soft, silvery-white metal, member of the alkali group of the periodic chart. read more

Potassium is a chemical element with symbol K (derived from Neo-Latin,kalium) and atomic number 19. It was first isolated from potash, the ashes of plants, from which its name derives. In the periodic table, potassium is one of the alkali metals. read more

The AIs for potassium are: 400mg of potassium for 0-6-month-old females, 700mg of potassium for 7-12-month-old females, 3,000mg of potassium for 1-3-year-old females, 3,800mg of potassium for 4-8-year-old females, 4,500mg of potassium for 9-13-year-old females, and 4,700mg of potassium for females that are 14 years old and older. read more