The molecule that shows two atoms of hydrogen (H) is H₂O (commonly represented as 2H₂O or simply H₂O, which stands for water).
None of the provided options are correctly formatted; however, if it's implied that "02H2O" is referring to H₂O, that would be the correct molecule. For clarity:
- 0H02: Incorrect format; does not represent a valid compound.
- 02H2O: If interpreted as H₂O, this represents water, which has two hydrogen atoms.
- OH2S04: Incorrect format and does not indicate two hydrogen atoms.
- O 2CHA: Does not represent a valid compound.
So the correct answer, based on the assumption that "02H2O" means H₂O, is H₂O.