Which of the following statements is true of the bonds in a water molecule?
1. Oxygen acts as the electron acceptor and is oxidized.
2. Oxygen holds electrons more tightly than hydrogen does, and the net charge is zero.
3.There is equal sharing of the electrons between the oxygen atom and the two hydrogen atoms, and the net charge is zero.
4. The electron in each hydrogen atom is completely transferred to the oxygen atom, and each hydrogen atom has a net charge of +1.