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  1. Barium - Wikipedia

    Barium is a chemical element; it has symbol Ba and atomic number 56. It is the fifth element in group 2 and is a soft, silvery alkaline earth metal. Because of its high chemical reactivity, barium is never …

  2. Barium - Element information, properties and uses | Periodic Table

    Element Barium (Ba), Group 2, Atomic Number 56, s-block, Mass 137.327. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

  3. Barium | Uses, Compounds, & Facts | Britannica

    barium (Ba), chemical element, one of the alkaline-earth metals of Group 2 (IIa) of the periodic table. The element is used in metallurgy, and its compounds are used in pyrotechnics, petroleum …

  4. Barium (Ba) - Periodic Table

    Barium has fifty-six protons and eighty-two neutrons in its nucleus, and fifty-six electrons in six shells. It is located in group two, period six and block s of the periodic table.

  5. Barium (Ba) - Periodic Table

    Barium is a chemical element of the periodic table with chemical symbol Ba and atomic number 56 with an atomic weight of 137.328 u and is classed as a alkaline earth metal.

  6. Barium | Ba (Element) - PubChem

    Barium is a metallic element, soft, and when pure is silvery white; it belongs to the alkaline earth group, chemically resembling calcium. The metal oxidizes very easily and should be kept under petroleum …

  7. Barium (Ba) Element Data - Properties, Uses, Facts

    Explore detailed information on Barium (Ba) element - Atomic Number 56, atomic mass 137.327, physical & chemical properties, facts, uses, history, periodic table trends, isotopes, electron …

  8. WebElements Periodic Table » Barium » the essentials

    Barium is a metallic element, soft, and when pure is silvery white like lead. The metal oxidises very easily and it reacts with water or alcohol. Barium is one of the alkaline-earth metals. Small amounts …

  9. Periodic Table of Elements: Los Alamos National Laboratory

    Barium is a metallic element, soft, and when pure is silvery white; it belongs to the alkaline earth group, chemically resembling calcium. The metal oxidizes very easily and should be kept under petroleum …

  10. Barium - Periodic Table

    Barium - Properties, history, name origin, facts, applications, isotopes, electronic configuation, crystal structure, hazards and more; Interactive periodic table of the chemical elements.