K
Of metal, brine, carnallite, kainite, langbeinite and sylvite. May also be referred to as atomic number 19 and potassium.
A light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite.
This concept's ID is @1~73978