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Chapter 8 - Coggle Diagram
Chapter 8
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Valence Bond (VB) Theory
Features:
- covalent bond forms by overlapping of orbitals
- two wave functions in phase sum their aplitudes
- a set of overlapping orbitals can have a max of 2 e- (with opposite spin)
- the lager the orbital overlap, the stronger the bond
- only orbitals with similar E and Orientation may overlap
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Polarity of molecules
due to:
- polarity of bonds
- geometry of the molecule
the presence of a Dipole make the molecule polar. The dipole u = q * d. The Net dipole vectorial sum of each bond gives the result.