metallic element,
metal any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
pollucite a rare mineral that is an important source of cesium
= synonym
= antonym
= relatert ord
Wiktionary
Substantiv
caesium -
A metallic chemical element symbol Cs with an atomic number of 55.
Wikipedia
Caesium or cesium is the chemical element with the symbol Cs and atomic number 55. It is a soft, silvery-gold alkali metal with a melting point of 28 °C (83 °F), which makes it one of only five metals that are liquid at or near room temperature. Caesium has physical and chemical properties similar to those of rubidium and potassium.
