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  1. Cesium: The Platform for 3D Geospatial

    The Cesium platform provides the foundations any software application needs to utilize 3D geospatial data: visualization, data pipelines, curated data, and analytics. Based on open standards for data …

  2. Caesium - Wikipedia

    Caesium (IUPAC spelling; [8] 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 point of 28.5 …

  3. Cesium | Description, Symbol, Uses, & Facts | Britannica

    Mar 9, 2026 · Cesium, 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 …

  4. Cesium Facts - Caesium or Cs - Science Notes and Projects

    May 24, 2022 · Cesium or caesium is an alkali metal with atomic number 55 and element symbol Cs. Cesium (or caesium) is a soft, shiny, pale gold metal with the chemical symbol Cs and atomic …

  5. Cesium: Element Properties and Uses - samaterials.com

    Feb 26, 2026 · Cesium is a soft, silvery-gold alkali metal known for its high reactivity and low melting point. It is used in atomic clocks, medical imaging, oil drilling fluids, and space propulsion systems.

  6. Periodic Table of Elements: Los Alamos National Laboratory

    Cesium was discovered spectroscopically in 1860 by Bunsen and Kirchhoff in mineral water from Durkheim. Sources Cesium, an alkali metal, occurs in lepidolite, pollucte (a hydrated silicate of …

  7. Cesium | Cs | CID 5354618 - PubChem

    Cesium is a naturally occurring element found combined with other elements in rocks, soil, and dust in low amounts. Naturally occurring cesium is not radioactive and is referred to as stable cesium. There …

  8. Cesium - Living Periodic Table

    Sep 26, 2024 · Cesium compounds are used in the oil industry to make drilling for oil and gas easier and safer. Cesium formate is a dense liquid that is used in drilling fluids to stabilize the oil well and …

  9. Cesium (Cs) - Periodic Table

    Cesium is the 55th element in the periodic table and has a symbol of Cs and atomic number of 55. It has an atomic weight of 132.90545 and a mass number of 133. Cesium has fifty-five protons and seventy …

  10. *The mass number of an important radioactive isotope—not the atomic mass— is shown in parentheses for those elements with no stable isotopes.