QuasiTiler 3.0:Interactive site that draws Penrose tilings and their generalizations.
3D Crystal Lattice Images: Stereoimages of inorganic lattice types.
Encyclopedia.com: Structure of the atom.
Hydride complexes: Part of the 'The Organometallic HyperTextBook'. Hydride complexes contain a metal-hydrogen bond, but are not necessarily hydridic in nature. By Rob Toreki, University of Kentucky, USA.
Introduction to Inorganic Chemistry: North East Wales Institute of Higher Education introduction to atomic structure.
Learning Network: An encyclopedia style entry for "structure of the atom."
Purdue Chemical Education: Structure of the atom including examples.
Structure of Inorganic Solids: Lectures on Inorganic Crystal Structures.
The Structure of the Atom by Ernest Rutherford: [Reprint] Follow-up to his landmark 1911 paper.
Watertown High School Atomic Structure Timeline: Timeline for the development of atomic structure. Democritus (<1704) to Fermi (1950s+.)
Working out the Structure of the Atom: A summary of the foundations for our understanding of atomic structure.