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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, …

  2. 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, …

  3. Barium - Element information, properties and uses | Periodic ...

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

  4. 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 …

  5. Barium, Chemical Element - water, uses, elements, metal ...

    Barium was first isolated in 1808 by English chemist Sir Humphry Davy (1778-1829). In 1807 and 1808, Davy also discovered five other new elements: sodium, potassium, strontium, calcium, …

  6. Barium | Public Health Statement | ATSDR

    Barium is a silvery-white metal that takes on a silver-yellow color when exposed to air. Barium occurs in nature in many different forms called compounds. These compounds are solids, …

  7. Comprehensive Guide to Barium: Properties, Uses, and Safety

    This comprehensive guide covers Barium's historical background, physical and chemical properties, its uses in paint, ceramics, medicine, and special applications like pyrotechnics and …