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H-O-H represents the line structure of water, where the lines represents the covalent bonds between the hydrogen and oxygen.

Water consists of two hydrogens and one oxygen but it will have to be rearranged to HOH for how the molecule actually bonds together. Since hydrogen only has one valence electron, it can only have one bond with another atom. Oxygen has two so it can bond with two hydrogens.

However, this line structure does not show the two lone pairs on the oxygen so the actual shape of water is an angular (bent) shape with a bond angle of ~104.5 degrees

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9y ago
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9y ago

It represent a water molecule. Single bond exist between atoms.

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13y ago

They represent chemical bonds in atoms

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Q: What does H -- O -- H represnt?
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