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 ...

Bohr's 'solar system' model of the atom is the way that most ... Chadwick used a version of Rutherford's experiment, using a sheet of beryllium and a paraffin block instead of gold foil.

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.

Acceptance of this model grew after it was modified with quantum theory by Niels Bohr. For his work with radiation and the atomic nucleus, Rutherford ... With this experiment, he was the first ...