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VSEPR Theory Geometry of Molecules.

Published byValentina Stojanović Modified over 6 years ago

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Presentation on theme: "VSEPR Theory Geometry of Molecules."— Presentation transcript:

1 VSEPR Theory Geometry of Molecules

2 Why do we care??? What is VSEPR theory? Shape of molecules determines:
Valence shell electron-pair repulsion theory—states that repulsion between the sets of valence- level electrons surrounding an atom causes these sets to oriented as far apart as possible. Shape of molecules determines: Polarity Solubility Reactivity

3 Examples Draw Lewis structures for the following molecules: H2O BF3
CH4 NH3 PCl5 SF6

4 There are many other sub-shapes that are formed due to lone pairs.

5 http://chyscience. blogspot

6 Practice Identify the geometries of the following molecules: AsF5 SeF6
CF4 NO3-

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