2.B The Covalent Bond
In the covalent bond, instead of donating electron(s) (as was in the ionic bond), the electron(s) are shared between the 2 atoms in a kind of “pull”.
2.B.1 Sigma and pi bonds
2.B.1.a hybrid orbitals (sp3, sp2, sp, and respective geometries)
More info: http://www.colby.edu/chemistry/OChem/DEMOS/Orbitals.html
http://www.mhhe.com/physsci/chemistry/essentialchemistry/flash/hybrv18.swf
2.B.1.b valence shell electron-pair repulsion (VSEPR) theory, predictions of shapes of molecules (e.g., NH3, H2O, CO2)
More info: http://www.chemistry.wustl.edu/~edudev/Vsepr/index.html
2.B.2 Lewis electron dot formulas
2.B.2.a resonance structures
2.B.2.b formal charge
2.B.2.c Lewis acids and bases
2.B.3 Partial ionic character
2.B.3.a role of electronegativity in determining charge distribution
2.B.3.b dipole moment
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