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Unformatted text preview: stronger attraction for electrons and thus a partial negative charge. The hydrogen has a partial positive charge because it has less access to the shared electrons. The diagram below shows that water is composed of two hydrogen atoms bonded to an oxygen atom by two covalent bonds. Each hydrogen atom shares one pair of electrons with the oxygen atom. Oxygen is much more electronegative than hydrogen and the shared electrons spend more time closer to the oxygen part of the molecule than to the hydrogen part. Unequal sharing of electrons results in the oxygen having a partial negative charge and the hydrogen atoms having a partial positive charge....
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