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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 Swallow: What to Expect, Side Effects, and Cost

    Apr 10, 2017 · To do a barium swallow, you swallow a chalky white substance known as barium. It’s often mixed with water to make a thick drink that looks like a milkshake. When it’s swallowed, this …

  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 - 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.

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

    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, and magnesium.

  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, existing as powders …

  7. Barium Element Facts - chemicool.com

    Barium is a metallic element chemically resembling calcium but more reactive. It is a soft, silvery metal and when cut it quickly turns a black color due to the formation of barium oxide, (BaO).

  8. Barium Facts, Symbol, Discovery, Properties, Uses

    Belonging to the family of alkaline earth metals, barium (pronounced as BAR-ee-em) is a heavy metal represented by the chemical symbol Ba [1].

  9. Is Barium a Metal, Nonmetal, or Metalloid? - Biology Insights

    5 days ago · Barium is classified as a metal, a soft, silvery-white element denoted by the symbol Ba and atomic number 56. The classification of elements as metal, nonmetal, or metalloid is a fundamental …

  10. 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 …