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1. en.wikipedia.org › wiki › OxygenOxygen - Wikipedia

   en.wikipedia.org › wiki › Oxygen

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   Oxygen is the third most abundant chemical element in the universe, after hydrogen and helium. About 0.9% of the Sun's mass is oxygen. Oxygen constitutes 49.2% of the Earth's crust by mass as part of oxide compounds such as silicon dioxide and is the most abundant element by mass in the Earth's crust.

2. zh.wikipedia.org › zh-tw › 氧氧 - 維基百科，自由的百科全書

   zh.wikipedia.org › zh-tw › 氧

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   Apr 9, 2024 · 在東亞，日本最先開始接觸現代化學，因此將其直譯為 酸素 ，今天依然是氧的 日文漢字 名稱。. 在中國則是清末由 徐壽 等人的翻譯書籍傳入許多化學詞彙，其中原法文元素名「oxygène」譯為「養」 [10] ，後譯為「氱」 [11] ，最終演變為今天的中文名「氧 ...

3. zh.wikipedia.org › wiki › 氧氧 - 维基百科，自由的百科全书

   zh.wikipedia.org › wiki › 氧

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   氧 （ yǎng ） （英語： Oxygen ），是一種化學元素，化學符號为O，原子序數为8，在元素週期表中屬於氧族。 氧屬於 非金屬 ，是具有高 反應性 的 氧化劑 ，能夠與大部分元素形成 氧化物 。

4. dictionary.cambridge.org › zhs › 词典OXYGEN中文(简体)翻译：剑桥词典 - Cambridge Dictionary

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   Deep-sea divers carry cylinders of oxygen on their backs. Mountain climbers use oxygen when they reach higher altitudes. Plants are the main source of atmospheric oxygen. The symbol for oxygen is O2.

5. zh.wikipedia.org › zh-tw › 氧气氧氣 - 維基百科，自由的百科全書

   zh.wikipedia.org › zh-tw › 氧气

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   氧氣 （ 英語 ： oxygen gas ）通常指 雙氧 （ dioxygen ， 分子式 ： O 2 ），是由兩個 氧 原子 通過 共價鍵 組成的 雙原子分子 ，也是氧 元素 在 自然界 中最常見的 單質 形態。. 氧氣在 常溫 標準狀況 下是 氣態 ，在現今的 地球大氣層 中按 氣體分壓 計算大約占 ...

6. dictionary.cambridge.org › zht › 詞典OXYGEN中文(繁體)翻譯：劍橋詞典 - Cambridge Dictionary

   dictionary.cambridge.org › zht › 詞典

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   a chemical element that is a gas with no smell or colour. Oxygen forms a large part of the air on earth, and is needed by animals and plants to live. Air is composed mainly of nitrogen and oxygen. Deep-sea divers carry cylinders of oxygen on their backs. Mountain climbers use oxygen when they reach higher altitudes.

7. www.britannica.com › science › oxygenOxygen | Discovery, Symbol, Properties, Uses, & Facts

   www.britannica.com › science › oxygen

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   Jun 25, 2024 · Oxygen, a colorless, odorless, tasteless gas essential to living organisms, being taken up by animals, which convert it to carbon dioxide; plants, in turn, utilize carbon dioxide as a source of carbon and return the oxygen to the atmosphere. Oxygen forms compounds by reaction with practically any other element.

8. www.who.int › news-room › questions-and-answersOxygen - World Health Organization (WHO)

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   Dec 9, 2021 · An oxygen concentrator is a self-contained, electrically powered medical device designed to concentrate oxygen from ambient air using pressure swing absorption process. Oxygen concentrators are mobile and can be moved between clinical areas or for home care and some are even portable.

9. www.rsc.org › periodic-table › elementOxygen - Element information, properties and uses | Periodic...

   www.rsc.org › periodic-table › element

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   Oxygen accounts for about 23% of the atmosphere's mass with pairs of oxygen atoms stuck together to make dioxygen molecules, but it's not just in the air, we breathe. Overall, it's the most abundant element on the earth's surface and the third most abundant in the universe after hydrogen and helium.

10. www.wikiwand.com › en › OxygenOxygen - Wikiwand

    www.wikiwand.com › en › Oxygen

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    Oxygen is a chemical element; it has symbol O and atomic number 8. It is a member of the chalcogen group in the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as well as with other compounds.