Question

what is oxygen?
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Answer 1

Answer:

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

Answer 2

Answer:

Oxygen is a colourless, odourless ,reactive gas the chemical element of atomic number 8 and the life-supporting component of the air.