KBC 2023| How many oxygen atoms are there in a molecule of carbon dioxide? KBC 2023 , Check the answer for the question . How many oxygen atoms are there in a molecule of carbon dioxide? By Ritika Shekhawat - November 29, 2023 KBC 2023, The options of the question – How many oxygen atoms are there in a molecule of carbon dioxide? A. 1 B. 3 C. 2 D. 4 The answer is C. 2