Explain what is wrong with the following structure.

H = 1+

O = 2-

O Has 8 protons weight 16g/mole

H has 1 proton weight 1g/mole

H - O - H

Oxygen is in group 6 which means it holds 6 valence electrons, leaving 2 for bonds.

A valence electron is an outer shell electron that can form a chemical bond if the outer shell is not closed.

Now when an atom bonds to another in a single bond, both atoms contribute one valence electron in order to form a shared pair.

In the picture O has 7 Valence electrons, so it would have a negative charge of 1.

The middle Hydrogen has 3 valence electrons which would make hydrogen have a charge of negative 1.

Should look like this

        ..                      ..

H .   .O.    .H   =   H-O-H

        ..                      ..

the answer would be a