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16 Cards in this Set
- Front
- Back
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Electron pair arrangement with 2 electron pairs
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linear
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Electron pair arrangement with 3 electron pairs
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trigonal planar
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Electron pair arrangement with 4 electron pairs
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tetrahedral
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Electron pair arrangement with 5 electron pairs
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trigonal bipyramidal
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Electron pair arrangement with 6 electron pairs
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Octahedral
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VSEPR
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valence shell electron pair repulsion
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VSEPR - the structure around the atom is determined principally by minimizing ....
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electron pair repulsion
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electronic geometry
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indicates the arrangement of electrons around the central atom
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molecular geometry
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indicates the spatial arrangement of nuclei in the molecule/ ion
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lone pair require _____ than bonding pairs and tend to ____ the angles of bonding pairs.
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more room
compress |
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Polar molecule
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has a center of positive charge and a center of negative charge; has a uneven electron density distribution over the entire molecule
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non polar molecule
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has asymmetrical electron density distribution over the entire molecule
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dipole moment
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(μ) quantitative measure of the degree of charge separation in a molecule
μ=Q x d Q= electric charge d= distance units debyes (D) or coulomb (C x m) |
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A ____ molecule has a dipole moment
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polar
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a _____ molecule does not have a dipole moment or the dipole moment is zero.
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nonpolar
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T/F all molecules that have polar bonds will be polar
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F depends on shape
see notes for examples |
