General Name, Symbol, Number potassium, K, 19 Chemical series alkali metals Group, Period, Block 1, 4, s Appearance silvery white Atomic mass 39. ... Indicator may mean: pH indicator, a chemical detector for protons in acid-base titrations Redox indicator, a chemical detector for redox titrations Complexometric indicator, a chemical detector for metal ions in complexometric titrations Honeyguide, a genus of birds Turn signal of an automobile Economic indicator or business indicator Indicator function... The chloride ion is formed when the element chlorine picks up one electron to form the anion (negatively charged ion) Cl−. The salts of hydrochloric acid HCl contain chloride ions and are also called chlorides. ... Silver nitrate is a chemical compound with chemical formula AgNO3. ... In pathology, a carcinogen is any substance or agent that promotes cancer. ... When normal cells are damaged or old they undergo apoptosis; cancer cells, however, avoid apoptosis. ...
Potassium metal is prepared by the electrolysis of fused potassium hydroxide or of a mixture of potassiumchloride and potassium fluoride.
Potassium bromide (KBr), a white solid formed by the reaction of potassium hydroxide and bromine, is used in photography, engraving, and lithography, and in medicine as a sedative.
Potassium hydroxide (KOH), called caustic potash, a white solid that is dissolved by the moisture in the air, is prepared by the electrolysis of potassiumchloride or by the reaction of potassium carbonate and calcium hydroxide; it is used in the manufacture of soap and is an important chemical reagent.
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