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17 Cards in this Set
- Front
- Back
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ball-and-stick model
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ball = atom's nucleus
stick = single bond used to represent the things |
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vsepr
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valence shell electron pair repulsion theory
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vsepr theory
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in a small molecule, the pairs of valence electrons are arranged as far apart from each other as possible
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bond angle
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the geometric angle between two adjacent bonds
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linear
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atoms can be connected in a straight line
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trigonal planar
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triangular, flat shape
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tetrahedral
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has 4 surfaces
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pyramidal
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central atom bonded to 3 other atoms with one unshared pair of electrons
pyramid |
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bent
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bent like water
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ex of linear
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carbon dioxide, CO2
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ex of trigonal planar
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ammonia NH3
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ex of tetrahedral
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methane
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ex of pyramidal
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ammonia NH3
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ex of bent
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water H2O
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hybrid orbitals
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orbital of electrons in a bond, which is a combination of the shapes and properties of the original atomic orbitals
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dipole
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polar molecule with one positively charged end and one negatively charged end. dipoles because they have 2 charged ends
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what determines whether its polar or not?
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the shape of a molecule and the polarity of its bonds together
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