bn:00006912n
Noun Concept
Categories: Chalcogens, All Wikipedia articles written in American English, Breathing gases, Articles with short description, Chemical substances for emergency medicine
EN
oxygen  atomic number 8  O
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EN
Oxygen is the chemical element with the symbol O and atomic number 8. Wikipedia
Element with the atomic number of 8 Wikidata
A gaseous chemical element with symbol O and atomic number 8; an essential element in cellular respiration and in combustion processes; the most abundant element in the earth's crust and about 20% of the air by volume. OmegaWiki
The chemical element (symbol O) with an atomic number of 8 and relative atomic mass of 15.9994. It is a colorless and odorless gas. Wiktionary
Chemical element. Wiktionary (translation)