The structure of the atom.
Understanding the structure and history of the atomic nucleus
Using atomic mass to understand isotopes.
Understanding the electronic structure of an atom.
An explanation of the relative size of atoms.
The history of atomic models.
How kinetic and potential energy exist in atoms.
The meaning and uses of atomic numbers.
Understanding the atomic emission spectra.
The periodic trend of atomic radii.
How to depict the electronic configuration of atoms using orbital diagrams.
How to predict the hybridization of atomic orbitals.
How an atom's outermost electrons contribute to bonding.
How to express the electronic structure of atoms using electron configuration notation.
How to identify a specific electron in an atom's electron cloud using quantum numbers.