Question

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Q.what is OXygen ?

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Answer 1

Oxygen is the chemical element with the 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.

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Answer 2

Explanation:

Oxygen is a chemical element with an atomic number of 8 (it has eight protons in its nucleus). ... Oxygen forms a chemical compound (O2) of two atoms which is a colorless gas at normal temperatures and pressures.

Oxygen, a colorless, odorless, tasteless gas essential to living organisms, being taken up by animals, which convert it to carbon dioxide; ...

Atomic number: 8

Atomic weight: 15.9994

Oxidation states: −1, −2, +2 (in compounds with fluorine)

Boiling point: −183.0 °C (−297.4 °F)