Drawing Lewis structures of molecules and polyatomic ions; calculating formal charges; resonance structures; exceptions to the octet rule (less than 8 VE, more than 8 VE, odd-numbered species)

Lewis dot structures and valence electrons; ionic bonding and lattice energy; covalent bonding and the nature of it; guidelines for Lewis structures

Atomic size trends; size of cations and anions; ionization trends; successive ionizations; electron affinity

Writing electron configurations of atoms using spectroscopic, noble gas core, and orbital box notations; Pauli exclusion principle and Hund's rule and their use in writing configurations; diamagnetism and paramagnetism; writing configurations for ions

Heisenberg uncertainty principle; Schrödinger equation and wavefunctions; electron density and orbitals; quantum numbers and their meanings; orbital diagram for H atom and in comparison to multi-electron atom