Intermolecular Forces and Molecular Shape
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intermolecular forces
forces of attraction between molecule
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intramolecular forces
forces that hold atoms together in a molecule
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Electronegativity
A measure of the ability of an atom in a chemical compound to attract electrons
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Polar Molecule
molecule with an unequal distribution of charge, resulting in the molecule having a positive end and a negative end
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Resonance Structures
one of the two or more equally valid electron dot structures of a molecule or polyatomic ion
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Chemical Bonds are
Intermolecular Forces
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Dipoles measure
the local electric field observed when centers of negative and positive charges exist
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Dipoles are
partially positive and partially negative charge in a covalent molecule
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Dipole moment measures
the total electric field produced by a molecule
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dipole moment is equal to
the vector sum of all the molecules dipoles
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most electronegative elements
F, O, N
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What makes a molecule "polar"
unequal sharing of electrons, containing dipoles
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Ion-Dipole
an ion and polar molecule
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Dipole-Dipole
polar molecule and polar molecule
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Hydrogen Bond (Dipole-Dipole)
hydrogen bonded dipole-dipole
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dipole-induced dipole
Dipole molecule and a non polar molecule (with induced dipole)
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induced dipole-induced dipole
non polar molecule and non polar molecule (both with induced dipoles)
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Other name for induced dipole-induced dipole
London dispersion force
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Strongest force
ion-dipole
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Weakest force
induced dipole-induced dipole
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Rank the strength of intermolecular forces. (strongest to weakest)
Ion-Dipole, Hydrogen Bond, Dipole-Dipole, Dipole-Induced Dipole, Induced Dipole-Induced Dipole
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