When cesium (Cs) reacts with fluorine (F), it forms a new compound called cesium fluoride (CsF). Cesium fluoride is an ionic compound with the chemical formula CsF, and it is a white crystalline solid at room temperature. It has a high melting point and is soluble in water. Cesium fluoride is used in various applications, including as a catalyst in organic synthesis, in the production of optical fibers, and in the nuclear industry.
