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  1. en.wikipedia.org › wiki › PotassiumPotassium - 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. [8] Potassium metal reacts rapidly with atmospheric oxygen to form flaky white potassium peroxide in only seconds of exposure.

  2. Potassium is a chemical element with symbol K and atomic number 19. Classified as an alkali metal, Potassium is a solid at room temperature.

  3. 13 wrz 2024 · potassium (K), chemical element of Group 1 (Ia) of the periodic table, the alkali metal group, indispensable for both plant and animal life. Potassium was the first metal to be isolated by electrolysis , by the English chemist Sir Humphry Davy , when he obtained the element (1807) by decomposing molten potassium hydroxide (KOH) with a voltaic ...

  4. Element Potassium (K), Group 1, Atomic Number 19, s-block, Mass 39.098. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

  5. 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.

  6. 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] .

  7. 30 cze 2023 · Potassium is a group 1 metal, abbreviated as K on the periodic table. In its pure form, potassium has a white-sliver color, but quickly oxidizes upon exposure to air and tarnishing in minutes if it is not stored under oil or grease.

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