How many protons does a glucose molecule have? The chemical formula for glucose is C6H12O6 There are 6 protons in carbon, one proton in hydrogen, and 8 protons in oxygen. There are 6 atoms of carbon (6Ã6), 12 atoms ofâ¦ hydrogen (12Ã1), and 6 atoms of oxygen (8Ã6). So multiplying those out and adding them together, there are 96 protons in one molecule of glucose. 6 people found this useful.