Question

what is oxygen












only armies​

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.

Symbol: O

Atomic mass: 15.999 u

Atomic number: 8

Named by: Antoine Lavoisier (1777)

Density (at STP): 1.429 g/L

Discoverers: Joseph Priestley, Antoine Lavoisier, Carl Wilhelm Scheele

Answer 2

Answer:

oxygen is a colorless gaseous element that constitutes 21% of the atmosphere which we breathe in.

Explanation:

hope it helps you.