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A molecule in which there is some seperation of charge in the chemical bonds, so that one part of the molecule has a slight positive charge and the other a slight negative charge. |
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Molecule which has no separation of charge, so no positive or negative poles are formed. Example: CO2, O2 |
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occur mainly in non-polar bonds weakest force of intermolecular attraction strength depends upon the total # of E in the atom. no dipole Non-Polar Molecule Example: H2
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Term
| Dipole-Dipole interaction |
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Definition
Stronger than dispersion forces Occurs mainly in Polar Bonds Arise due to a strong, permanent dipole Example: HCL --> strong dipole b/c of large difference in EN's
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Hydrogen covalently bonded to a strongly EN atom Strongest of all intermolecular forces. Strong dipole producing Polar Molecule Example: water (H2O)
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| Maximum amount of a solute that can dissolve in a solvent under specific conditions of temp./pressure. |
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Generally the substance present in smaller amounts and is the one that "gets dissolved" |
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| Generally substance present in large amounts into which the solute gets dissolved. |
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Substance that cannot dissolve in some solvents. Example: Fats and Oils do not dissolve in water. |
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