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    I think I understand he concept fully, does anyone know where I can get some notes?

    And is this correct?

    Hydrogen atoms are covalently bonded to an oxygen atom, but the electrons are not shared evenly.
    Oxygen is able to pull the electrons towards it and so away from the hydrogen's.
    Because of this oxygen is slightly negative and hydrogen is slightly positive.
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    http://www.chemguide.co.uk/atoms/bonding/hbond.html

    and yes that is correct, but not related to hydrogen bonding. Oxygen's electronegativity is responsible for this, which makes water a polar molecule.
 
 
 
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