Lewis structures of molecules and ions.
and Polar Molecules
Electronegativity in relation to periodic table; polar and non-polar molecules.
Shape and Structure
Geometric arrangements of groups in atoms; VSEPR
VSEPR theory applied to molecules with non-bonding
pairs and multiple bonds.
Bond Model of Covalent Bonding
Atomic orbitals revised; valence bond model applied
to some diatomic and triatomic molecules.