SEARCH Articles Figures Tables A Survey of the Atomic and Molecular Theory Atomic theory Atoms and the Atomic Theory Atoms theory Band Theory. The Linear Chain of Hydrogen Atoms Birth of the Atomic Theory Bohr s theory of the hydrogen atom Bohr theory of the atom Bohrs Theory of the Hydrogen Atom Bohr’s theory of the atom Early Chemical Discoveries and the Atomic Theory Excited States of the Helium Atom. Degenerate Perturbation Theory Global methods in the theory of many-electron atoms Indivisible The Atomic Theory Isospin in the theory of an atom John Dalton, the Father of Modern Atomic Theory Modern Atomic Theory and the Laws That Led to It Modern Atomic Theory and the Periodic Table Nuclear theory of the atom Perturbation theory for the energy of an atom Postulates of the Atomic Theory Quantum Theory and the Atom Quantum Theory and the Electronic Structure of Atoms Quantum Theory of the Hydrogen Atom Quantum theory of the atom Second-quantization in the Theory of an Atom. Quasispin and Isospin THE ATOMIC THEORY OF MATTER The Atomic Theory Today The Historical Development of Modern Atomic Theory The New Theory of Atoms The Theory of Many-Electron Atoms The hydrogen-like atom in Dirac theory The theory of atoms in molecules