Atomic Structure of Gold (Bohr Model) In atomic physics, the Bohr model or Rutherford–Bohr model, presented by Niels Bohr and Ernest Rutherford in 1913, is a system consisting of a small, dense nucleus surrounded by orbiting electrons—similar to the structure of the Solar System, but with attraction provided by electrostatic forces in place of gravity. Gold was the first metal widely known to humans, as it exists in its natural state and could be found as yellow nuggets in riverbeds. Egyptians b