Hydrogen bonds (strongest)
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4 Terms
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Definiton of hydrogen bonds
Electrostatic attraction between a hydrogen atom on one molecule and the lone pair from a highly electronegative atom on another molecule.
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Where does attraction have to be drawn from
Lone pair to H atom or wont be correct.
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What are anomalous properties of water
Ice is less dense than water: due to rigid H bonds which form open lattices as they push.
Unusually high melting/boiling point: H bonds are strongest intermolecular forces requiring more energy to overcome.
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Which are the most electronegative atoms and why
Nitrogen, Oxygen and Fluorine(NOF)
they are diatomic so have more electrons.
Note 
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