Barium - Wikipedia
WEBBarium 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 found in nature as a free element. The most common minerals of barium are barite (barium sulfate, BaSO 4) and witherite (barium carbonate ...
Barium | Uses, Compounds, & Facts | Britannica
WEBBarium, chemical element, one of the alkaline-earth metals of Group 2 of the periodic table. The element is used in metallurgy, and its compounds are used in pyrotechnics, petroleum production, and radiology. Barium has a silvery white luster when freshly cut.
Barium Swallow: What to Expect, Side Effects, and Cost - Healthline
WEBApr 10, 2017 · Preparation. Procedure. Images. Taste. Cost. Side effects. Barium swallow vs. endoscopy. Tips. A barium swallow is a type of X-ray test that helps your doctor see the back of your mouth and...
Barium - Element information, properties and uses | Periodic Table
WEBElement Barium (Ba), Group 2, Atomic Number 56, s-block, Mass 137.327. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
Barium (Ba) - Elements: The Periodic Table
WEBBarium is the 56th element in the periodic table and has a symbol of Ba and atomic number of 56. It has an atomic weight of 137.327 and a mass number of 138. Barium has fifty-six protons and eighty-two neutrons in its nucleus, and fifty-six electrons in six shells.
Barium, Chemical Element - water, uses, elements, metal, number, …
WEBBa. ATOMIC NUMBER. 56. ATOMIC MASS. 137.34. FAMILY. Group 2 (IIA) Alkaline earth metal. PRONUNCIATION. BARE-ee-um. Barium is a member of the alkaline earth metals. The alkaline earth metals make up Group 2 (IIA) of the periodic table. The other elements in this group are beryllium, magnesium, calcium, strontium, and radium.
Barium Facts - Periodic Table of the Elements - ThoughtCo
WEBJul 3, 2019 · Properties. Barium has a melting point of 725°C, a boiling point of 1640°C, and a specific gravity of 3.5 (20°C), with a valence of 2. Barium is a soft metallic element. In its pure form, it is silvery white. The metal oxidizes readily and should be stored under petroleum or other oxygen-free liquids.
barium summary | Britannica
WEBbarium , Chemical element, one of the alkaline earth metals, chemical symbol Ba, atomic number 56. It is very reactive and in compounds always has valence 2. In nature it is found chiefly as the minerals barite (barium sulfate) and witherite (barium carbonate). The element is used in metallurgy, and its compounds are used in fireworks ...
Barium Element Facts - chemicool.com
WEBBarium 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). It is also highly reactive with water or alcohol.
Barium, Physical and Chemical Properties | SpringerLink
WEBDefinition. The heaviest nonradioactive member of the alkaline-earth elements (atomic number 56), barium is a soft, silvery, highly reactive metal. Its compounds have various uses, particularly in drilling fluids, paints, glasses, and pyrotechnics, but all soluble compounds of barium are toxic to mammals.
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