What is the smallest particle representing water? a. hydrogen atom b. molecule c. diatomic oxygen d. oxygen atom
The answer is B. molecule, I know becuase I just took the test and got 100% Hope it helps
D. Oxygen Atom has to be the correct answer!
B.Molecule A Molecule is 2 Atoms.
C.Diatomic Oxygen Diatomic Oxygen is a molecule,it has 2 atoms.
D.Oxygen Has 1 atom,H2O 2 Hydrogen 1 OXYGEN.
Therefor your answer is D.Oxygen Atom.