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Study with Quizlet and memorize flashcards containing terms like Atomic number, Atomic mass, Cesium was discovered by Robert W Bunsen and Gustav Kirchhoff in 1860 at Germany. and more.
Terms in this set (19) radioactive? Study with Quizlet and memorize flashcards containing terms like symbol, group, period and more.
Study with Quizlet and memorize flashcards containing terms like Another name for Cesium?, What does cesium look like?, What column is Cesium in? and more.
Definition. Cesium is a soft, silvery-white alkali metal that is the most electropositive and reactive of all the stable elements. It is the least dense of the stable elements and has the highest electron affinity of any element, making it highly reactive and prone to forming ionic compounds.
9 paź 2024 · cesium (Cs), chemical element of Group 1 (also called Group Ia) of the periodic table, the alkali metal group, and the first element to be discovered spectroscopically (1860), by German scientists Robert Bunsen and Gustav Kirchhoff, who named it for the unique blue lines of its spectrum (Latin caesius, “sky-blue”).
24 maj 2022 · Cesium or caesium is a shiny, pale gold metal with element symbol Cs and atomic number 55. Cesium is the softest metal that is a solid at room temperature . It becomes a liquid element at 28.5 °C or 83.3 °F.
Cesium, Caesium - chemical symbol Cs, atomic number 55 - is a radioactive member of the alkali metals family and a soft, light, very low-melting chemical element. Online available information resources about the chemistry and physics of cesium and the cesium compounds.
