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  1. Caesium - Wikipedia

    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 point of 28.5 …

  2. Cesium (Cs) - Periodic Table

    Cesium is a chemical element of the periodic table with chemical symbol Cs and atomic number 55 with an atomic weight of 132.905 u and is classed as alkali metal and is part of group 1 (alkali metal). …

  3. Caesium - Element information, properties and uses | Periodic Table

    Element Caesium (Cs), Group 1, Atomic Number 55, s-block, Mass 132.905. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

  4. Cesium | Cs (Element) - PubChem

    Cesium is a chemical element with symbol Cs and atomic number 55. Classified as a n alkali metal, Cesium is a solid at 25°C (room temperature). [Xe]6s 1. J.C. Slater, J Chem Phys, 1964, 41 (10), …

  5. Cesium Facts – Caesium or Cs - Science Notes and Projects

    May 24, 2022 · Get interesting cesium facts. Cesium is also spelled caesium. The element has atomic number 55 and element symbol Cs.

  6. Periodic Table of Elements: Los Alamos National Laboratory

    Cesium has more isotopes than any element--32--with masses ranging from 114 to 145. The Chemistry Division's Periodic Table describes the history, properties, resources, uses, isotopes, forms, costs, …

  7. 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 …

  8. Atomic Data for Cesium (Cs) - NIST

    Atomic Data for Cesium (Cs) Atomic Number = 55 Atomic Weight = 132.9054 Reference E95 ... Cs I Ground State 1 s2 2 s2 2 p6 3 s2 3 p6 3 d10 4 s2 4 p6 4 d10 5 s2 5 p6 6 s 2 S 1/2 Ionization energy …

  9. Atomic Number of Caesium Cs

    Atomic Number of Caesium is 55. Chemical symbol for Caesium is Cs. Number of protons in Caesium is 55. Atomic weight of Caesium is 132.905452 u or g/mol. Melting point of Caesium is 28,4 °C and its …

  10. Cesium - HyperPhysics

    The electron configuration of cesium consists of one lone 6s electron outside a perfectly symmetrical core of 54 other electrons characteristic of the noble element xenon. This fact has made it the …

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