Atomic Structure Timeline - Timeline for the development of atomic structure. Democritus (<1704) to Fermi (1950s+.) Purdue Chemical Education - Structure of the atom including examples. Learning Network - An encyclopedia style entry for "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. Working out the Structure of the Atom - A summary of the foundations for our understanding of atomic structure. QuasiTiler 3.0 - Interactive site that draws Penrose tilings and their generalizations. The Structure of the Atom by Ernest Rutherford - [Reprint] Follow-up to his landmark 1911 paper.