Caesium (IUPAC spelling; [9] also spelled cesium in American English) is a chemical element; it has symbol Cs and atomic number 55. It is a soft, silvery-golden alkali metal with a melting …

2025年1月31日 · 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), …

Caesium is a silvery-gold metallic element. It is an extremely soft metal. Caesium is one of four elements who exist in liquid form at or near room temperature. In periodic table it belongs to …

2022年5月24日 · 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 …

2023年6月29日 · Cesium is a chemical element with the atomic number 55 and is represented by the symbol ‘Cs’ in the periodic table. It is a soft, silvery-golden alkali metal and belongs to the s …

Cesium, represented by the atomic number 55 and symbol "Cs," is an alkali metal that is soft, silvery-gold in color, and highly reactive. The element is known for its applications in atomic …

Cesium (pronounced as SEE-zee-em), sometimes spelled as caesium, is a highly reactive metal when exposed to air and water. Denoted by the chemical symbol Cs, it belongs to the family of …

2016年8月31日 · Cesium is a rare, silver-white, shiny metal with brilliant blue spectral lines; the element's name comes from "caesius," a Latin word meaning "sky blue." It is the softest metal, …

Cesium is an extremely reactive metal and the most alkaline of the elements. It reacts explosively upon contact with water producing cesium hydroxide (CsOH), an extremely strong base that …

2024年5月31日 · Cesium is a rare, silver-white, shiny metal with brilliant blue spectral lines; the element's name comes from "caesius," a Latin word meaning "sky blue." It is the softest metal, …