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Barium, a soft silvery metallic alkaline earth metal, reacts with water and carbon dioxide and is not found as a free element. The most common naturally occurring minerals are the very insoluble barium sulfate, BaSO4 (barite), and barium carbonate, BaCO3 (witherite). The metal is used to scavenge air in vacuum tubes, as a component of high-temperature superconductors and electroceramics, and is added to steel and cast iron. Water-soluble barium compounds are poisonous. At low doses, barium ions act as a muscle stimulant, whereas higher doses affect the nervous system, causing cardiac irregularities, tremors, weakness, anxiety, dyspnea and paralysis. Barium ions also target the eyes, immune system, heart, respiratory system, and skin, and may cause blindness and sensitization. Copyright Text is available under the Creative Commons Attribution/Share-Alike License. See for details. Source: Wikipedia, Barium (Wikipedia)

An element of the alkaline earth group of metals. It has an atomic symbol Ba, atomic number 56, and atomic weight 138. All of its acid-soluble salts are poisonous. Source: National Library of Medicine, MeSH 2006

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Language Variants Get Info

Tag Language Translation
zh-CN Chinese (China)
Synonyms: Ba
fr-CA French (Canada) Barium
et-EE Estonian (Estonia) Baarium
es-ES Spanish (Spain) Bario
it-IT Italian (Italy) Bario
tr-TR Turkish (Turkey) Baryum
ru-RU Russian (Russian Federation) Барий
nl-NL Dutch (Netherlands) barium
fr-BE French (Belgium) Barium
Synonyms: Ba