KBC 2023| How many oxygen atoms are there in an ozone molecule? KBC 2023, Check the answer to the question- How many oxygen atoms are there in an ozone molecule? By Himani Budakoti - October 18, 2023 KBC 2023, The options of the question – How many oxygen atoms are there in an ozone molecule? A. 2 B. 3 C. 4 D. 5 The answer is B. 3.