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  1. Ozone - Wikipedia

    Ozone's O 3 structure was determined in 1865. The molecule was later proven to have a bent structure and to be weakly diamagnetic. At standard temperature and pressure, ozone is a …

  2. What is Ozone? - US EPA

    Jun 6, 2025 · Ozone (O3) is a highly reactive gas composed of three oxygen atoms. It is both a natural and a man-made product that occurs in the Earth's upper atmosphere (the …

  3. Nasa Ozone Watch: Ozone facts

    Sep 23, 2024 · Ozone is a gas made up of three oxygen atoms (O 3). It occurs naturally in small (trace) amounts in the upper atmosphere (the stratosphere). Ozone protects life on Earth from …

  4. Ozone - American Lung Association

    Jun 9, 2025 · Ozone (O 3) is a gas molecule composed of three oxygen atoms. Ozone is good up high, bad nearby. The ozone layer found high in the upper atmosphere shields us from much …

  5. Ozone | Definition, Properties, Air Pollution, Importance, Structure ...

    Dec 12, 2025 · ozone layer, region of the upper atmosphere, between roughly 15 and 35 km (9 and 22 miles) above Earth’s surface, containing relatively high concentrations of ozone …

  6. Introducing OpenAI o3 and o4-mini

    Apr 16, 2025 · OpenAI o3 is our most powerful reasoning model that pushes the frontier across coding, math, science, visual perception, and more. It sets a new SOTA on benchmarks …

  7. Ozone (O₃) – Definition, Structure, Preparation, Uses ... - Examples

    Jan 28, 2025 · Ozone (O₃) is a type of gas found in the Earth’s atmosphere, made up of three oxygen atoms linked together. Unlike the oxygen we breathe, which has two oxygen atoms, …

  8. Ozone | O3 | CID 24823 - PubChem

    Ozone is an elemental molecule with formula O3. An explosive, pale blue gas (b.p. -112℃) that has a characteristic, pungent odour, it is continuously produced in the upper atmosphere by …

  9. What Is Ozone? Definition and Facts - Science Notes and Projects

    Jan 26, 2022 · Ozone is an inorganic oxygen molecule with the chemical formula O 3. It is a reactive allotrope of oxygen that also goes by the name trioxygen. Ozone protects the planet …

  10. 1. What is Ozone (O3) - GreenFacts

    Ozone (O3) is a gas that can form and react under the action of light and that is present in two layers of the atmosphere: the stratosphere and the troposphere.