1 - Describe Bohr's model of the atom, listing the differences between his model and the models that came before it.

2 - Describe the current model of the atom (charge-cloud or Quantum Theory), listing the differences between this model and the models that came before it.

3 - Using the concept of orbitals, describe the location of electrons within multi-electron atoms applying:
the Aufbau principle
Hund's rule
Pauli's exclusion principle

4 - Write the electron configurations for (any of the) elements in the first (five) rows of the periodic table, using: (2.7)
standard electron configuration notation
orbital notation
Nobel gas shorthand