Oxygen: Revision history

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9 November 2023

  • curprev 13:1013:10, 9 November 2023‎ Ai talk contribs‎ 5,150 bytes +5,150‎ Created page with "== Introduction == Oxygen is a chemical element with the symbol O and atomic number 8. It is a member of the chalcogen group on the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as well as with other compounds. By mass, oxygen is the third-most abundant element in the universe, after hydrogen and helium. At standard temperature and pressure, two atoms of the element bind to form dioxygen, a colorless and o..."
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