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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. [8] Potassium metal reacts rapidly with atmospheric oxygen to form flaky white potassium peroxide in only seconds of exposure.
Potassium (pronunciation poh-TASS-ee-em [2]), represented by the chemical symbol or formula K [1], is a soft element belonging to the family of alkali metals [3] that can be easily cut [11]. Naturally occurring K is a mixture of 3 isotopes with mass numbers 39, 40 and 41 [1, 3].
Sep 13, 2024 · Potassium (K) is a soft, white, alkali metal that is essential for plant and animal life. Learn about its history, occurrence, production, reactions, and applications in chemistry and biology.
Potassium has nineteen protons and twenty neutrons in its nucleus, and nineteen electrons in four shells. It is located in group one, period four and block s of the periodic table. Soft silvery metallic element belonging to group 1 of the periodic table (alkali metals).
Mar 30, 2023 · Potassium is an essential macromineral that helps regulate fluid balance, blood pressure, and muscle and nerve function. Learn how much potassium you need per day, what foods are rich in it, and what happens if you have too much or too little.
Potassium is a soft, silvery metal that tarnishes in air and is essential to life. It is the seventh most abundant metal in the Earth’s crust and has many applications in fertilisers, glass, detergents and pharmaceuticals.
Jun 3, 2015 · Learn about potassium, the 19th element of the periodic table, its discovery, isotopes, properties, uses and more. Find out why potassium is called kalium in some languages and how it reacts with water and air.
