chemical element with symbol K and atomic number 19
A silvery-white metallic alkali metal element with the symbol K and atomic number 19, occurs principally as component of sea water and in several minerals like carnallite, polyhalite and sylvite. It is being used as fertilizer as either the chloride, sulfate or carbonate.
A soft, waxy, silvery reactive metal that is never found unbound in nature; an element (symbol K) with an atomic number of 19 and atomic weight of 39.0983. The symbol is derived from the Latin kalium.