what is O2 ?????????????
Answers
Answered by
3
Answer:
Oxygen.....
hope it helps
mark me as the brainliest
Answered by
0
Answer:
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.
Similar questions