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| Questão | Responda |
| Instantaneous dipole- induced dipole | Electron movements in molecules create an uneven distribution of charge This induces a dipole in a neighbouring molecule leading to attraction |
| Permanent dipole- permanent dipole | Difference of electronegativity in a bond causes electrons to be shared unequally Atom with most electrons becomes slightly negative and the other, slightly positive This is attracted to another permanent dipole |
| Hydrogen bonds | Lone pair on oxygen is attracted to a slightly positive hydrogen (in a polar bond) |
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