It is a story of how ideas changed about the nature of the atom. These are the notes (and diagrams ... Science (or scientists) build a model. If new evidence comes along, the model gets changed.

Bohr’s Model of an Atom: Danish Physicist Niels Bohr received his Ph.D. from the University of Copenhagen in 1911. In 1922, he was awarded the Nobel Prize in Physics for his work on the atom’s ...