Potassium - Wikipedia
Potassium is a chemical element; it has symbol K (from Neo-Latin kalium) and atomic number 19. It is a silvery white metal that is soft enough to easily cut with a knife. [ 9 ] . Potassium metal reacts rapidly with atmospheric oxygen to form flaky …
Potassium | Definition, Properties, & Reactions | Britannica
2024年10月26日 · potassium (K), chemical element of Group 1 (Ia) of the periodic table, the alkali metal group, indispensable for both plant and animal life.
Potassium (K) - Periodic Table
Potassium is the 19th element in the periodic table and has a symbol of K and atomic number of 19. It has an atomic weight of 39.0983 and a mass number of 39. Potassium has nineteen protons and twenty neutrons in its nucleus, and nineteen electrons in four shells.
Potassium | K (Element) - PubChem
Periodic Table element Summary Potassium. Potassium is a chemical element with symbol K and atomic number 19. Classified as an alkali metal, Potassium is a solid at room temperature.
Potassium (K) - Periodic Table
Potassium is a chemical element of the periodic table with chemical symbol K and atomic number 19 with an atomic weight of 39.0983 u and is classed as a alkali metal.
Potassium - Element information, properties and uses | Periodic Table
Elements and Periodic Table History Potassium salts in the form of saltpetre (potassium nitrate, KNO 3 ), alum (potassium aluminium sulfate, KAl(SO 4 ) 2 ), and potash (potassium carbonate, K 2 CO 3 ) have been known for centuries.
Potassium (K) [19] — Chemical Element — Periodic Table
Get the facts about element Potassium (K) [19] from the periodic table. Find physical data, electron configuration, chemical properties, aggregation states, isotope data (including decay trees) as well as some historic information.
Potassium - EniG. Periodic Table of the Elements
Physical and chemical properties of Potassium: general data, thermal properties, ionization energies, isotopes, reduction potentials, abundance of elements, crystallographic data.
Potassium @ Periodic Table of Chemical Elements
Potassium is an element number 19 from alkali metals family. Its symbol is K. Potassium atomic weight is 39.09831 amu. K stable and long lived isotopes are 39 K: 93.2581%, 41 K: 6.7302%. Potassium electronic configuration is 1s 2 2s 2 2p 6 3s 2 3p 6 4s 1. Sample compounds that contain Potassium are KCl, KOH, KMnO4, KNO3, KClO3, KI.
Element: Potassium - Periodic table
Potassium is the chemical element with the symbol K and atomic number 19. It is a silvery white metal that is soft enough to easily cut with a knife. Potassium metal reacts rapidly with atmospheric oxygen to form flaky white potassium peroxide in only seconds of exposure.