Question

what is oxigen? answer give definitely ​

Answer 1

Oxygen is a chemical element. It has the symbol O and atomic number 8. It is the third most common element in the universe, after hydrogen and helium. Oxygen is more than a fifth of the Earth's atmosphere by volume. In the air, two oxygen atoms usually join to make dioxygen (O.

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Answer 2

• Oxygen, with the symbol O and atomic number 8, is a chemical element.
• It is a member of the periodic table's chalcogen group, a highly reactive nonmetal, and an oxidizing agent that quickly produces oxides with most elements and other compounds.
• Oxygen is the most prevalent element on Earth, and it ranks third in the universe after hydrogen and helium.
• Diatomic oxygen gas makes up 20.95 percent of the Earth's atmosphere today, however this has altered throughout time.
• In the form of oxides, oxygen makes up over half of the Earth's crust.