Potassium (pronounced /pɵˈtæsiəm/ po-TAS-ee-əm) is the chemical element with the symbol K (Latin: kalium, from Arabic: القَلْيَه al-qalyah "plant ashes" cf. Alkali from the same root, more commonly known in Modern Standard Arabic as بو...
Element Data Atomic Symbol: K Atomic Number: 19 Atomic Weight: 39.098 amu Isotopes and (Abundances): 39K (93.258%), 40K (0.012%), 41K (6.730%) 1 Atm Melting Point: 63.5 °C (146.3 °F) 1 Atm Boiling...Ricardo Arevalo Jr.
Element Properties atomic number19 atomic weight39.098 melting point63.28 °C (145.90 °F) boiling point760 °C (1,400 °F) specific gravity0.862 (at 20 °C, or 68 °F) oxidation states+1, −1 (rare) electron configuration2-8-8-1 or 1s22s22p63s23p64s1 ...
Compound properties Element reactions List all K propertiesName: potassium Symbol: K Atomic number: 19 Relative atomic mass (Ar): 39.0983 (1) Standard state: solid at 298 K Appearance: silvery white Classification: Metallic Group in periodic table: 1 Group name: Alkali metal Period in perio...
Potassium is an abundant metal and is the seventh most abundant element in the earth's crust. Seawater contains 380 p.p.m. of potassium, making the mineral the sixth most abundant in solution. Potassium is used extensively, mainly in the form of potassium salts, in various fields such as ...
Potassium is a metal element found in group one of the periodic table and an important mineral nutrient in the human diet. We need potassium because its roles in the human body include fluid regulation, muscle contraction, and regulation of nerve signals. Is it safe to take a potassium supple...
noun(Chem.)An Alkali element, occurring abundantly but always combined, as in the chloride, sulphate, carbonate, or silicate, in the minerals sylvite, kainite, orthoclase, muscovite, etc. Atomic weight 39.0. Symbol K (Kalium). nounthe salt KMnO4, crystallizing in dark red prisms having a gre...
atomic number 19, K metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. carnallite - a white or reddish mineral consisting of hydrous chlorides of potassium and magnesium; used as a fertili...
Potassium is a chemical element with the symbol K (from Neo-Latin kalium) and atomic number 19. Potassium is a silvery-white metal that is soft enough to be cut with a knife with little force. Potash To treat with potassium. Potash The hydroxide of potassium hydrate, a hard white brittle...
Sources:Potassiumis the 7th most abundantelementon earth, making up 2.4% of the earth's crust, by weight. Potassium is not found free in nature. Potassium was the first metal isolated byelectrolysis(Davy, 1807, from caustic potash KOH). Thermal methods (reduction of potassium compounds with C...