Question

what is Oxygen??????​

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. 

Answer 2

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.

Symbol: O

Atomic mass: 15.999 u

Atomic number: 8

Electron configuration: [He] 2s²2p⁴

Discovered: 1772