As part of an experiment with x-rays in 1909 ... In 1912 Bohr joined Rutherford. He realized that Rutherford's model wasn't quite right. By all rules of classical physics, it should be very ...

Rutherford's most groundbreaking work came when he conducted the famous gold-foil experiment in 1909 ... This defied the existing atomic model, which assumed atoms were uniformly spread out.