It replaced lead (II) oxide in the production of certain kinds of glass such as optical crown glass. For other uses, see, Except where otherwise noted, data are given for materials in their, S.C. Middleburgh, K.P.D. Your IP: 89.248.99.52 Barium oxide should not be released environmentally; it is harmful to aquatic organisms. Mercury(II) oxide … Cloudflare Ray ID: 5f8a6db92e26ff38 31 terms. Year 9 Body In Balance Glossary of Terms. Being an oxidizer and giving a vivid green colour upon ignition, it finds some use in fireworks; historically, it was also used as a precursor for hydrogen peroxide. Continue Reading. The complete peroxidation of BaO to BaO2 occurs at moderate temperatures but the increased entropy of the O2 molecule at high temperatures means that BaO2 decomposes to O2 and BaO at 1175K. CAS Number: 1304-28-5. Its structure is cubic and we use it in cathode ray tubes, crown glass, and catalysts. Another way to prevent getting this page in the future is to use Privacy Pass. Lagerlof, R.W. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. They have the same structure as sodium chloride, with each atom having six neighbours. It can cause nausea and diarrhea, muscle paralysis, cardiac arrhythmia, and can cause death. Barium oxide is a chemical compound. Molecular Weight: 153.33. What does mbs adj on a bank statement mean? [4], The reaction was used as a large scale method to produce oxygen before the air separation became the dominant method in the beginning of the 20th century. BaO + H 2 O → Ba (OH) 2. [5], Barium oxide is made by heating barium carbonate. Grimes - Accommodation of Excess Oxygen in Group II Oxides, http://onlinelibrary.wiley.com/doi/10.1111/j.1551-2916.2012.05452.x/pdf, https://en.wikipedia.org/w/index.php?title=Barium_oxide&oldid=967487275, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, Articles with unsourced statements from September 2014, Creative Commons Attribution-ShareAlike License, This page was last edited on 13 July 2020, at 14:45. 1304-28-5 Barium oxide (100.0%) PEL (USA) Long-term value: 0.5 mg/m 3 as Ba REL (USA) Long-term value: 0.5 mg/m 3 as Ba TLV (USA) Long-term value: 0.5 mg/m 3 as Ba EL (Canada) Long-term value: 0.5 mg/m 3 as Ba Additional information: No data Exposure controls Personal protective equipment Follow typical protective and hygienic practices for handling chemicals. [8], "BaO" redirects here. [ Check the balance ] Barium oxide react with water to produce barium hydroxide. It is harmful to human skin and if swallowed in large quantity causes irritation. Barium oxide should not be released environmentally; it is harmful to aquatic organisms. [3], It is also a source of pure oxygen through heat fluctuation. The chemical formula of barium oxide is BaO 2. Barium can form two distinct compounds with oxygen as the only other element in the compound: barium oxide with formula BaO and barium peroxide with formula BaO2. 2Ba + O 2 → 2BaO BaCO 3 → BaO + CO 2 It contains barium and oxide ions Barium oxide is used as a coating for hot cathodes, for example, those in cathode ray tubes. One ion of barium neutralizes one ion of oxygen, hence those two ions combine to form barium oxide, BaO. Names & Formulas for Ionic Compounds. It may also be prepared by thermal decomposition of barium nitrate. If ingested, medical attention should be sought immediately. Excessive quantities of barium oxide may lead to death. Likewise, it is often formed through the decomposition of other barium salts. Barium oxide | BaO | CID 62392 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, … However, it is more dangerous when ingested. BaO Barium cation has +2 charge and oxide anion has -2 charge . Ionic bonds form instead of covalent bonds when there is a large difference in electronegativity between the ions. Barium oxide. Barium oxide is an irritant. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. If it contacts the skin or the eyes or is inhaled it causes pain and redness. 5 terms. Oxygen can be combined with various cations to form a large number of ionically bonded solids. 2 Products. This white solid is one of the most common inorganic peroxides, and it was the first peroxide compound discovered. Barium oxide. Barium oxide is made by heating barium carbonate. Barium on getting oxidized forms the ionic compound is … It may also be prepared by thermal decomposition of barium nitrate. 30 terms. Occurrence of barium oxide 50 terms. It may also be prepared by thermal decomposition of barium nitrate. [citation needed], Barium oxide is used as a coating for hot cathodes, for example, those in cathode ray tubes. The structural depiction of Barium Oxide is as shown in the figure below. Linear Formula: BaO. [2] Barium oxide also has use as an ethoxylation catalyst in the reaction of ethylene oxide and alcohols, which takes place between 150 and 200 °C.