Drag each label to the correct location on the image. The potential energy diagram shows the gain and loss of potential energy as water molecules decompose into hydrogen and oxygen. Label the parts of the diagram. activated complex activation energy enthalpy of reaction products reactants

answer:

the answer is 6 valence electrons.

explanation:

valence is the # of electrons on the outer most shell of an atom.

oxygen has 6.

although, the valency of oxygen is 2, because it only needs to make 2 covalent bonds, or gain 2 electrons, to achieve the stable octet configuration of a noble gas.

that's it!

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