Thomson took the idea of the atom and tried ... Rutherford's experiment prompted a change in the atomic model. If the positive alpha particles mostly passed through the foil, but some bounced ...

This leads to a description of the development of the modern atomic theory as a result of the contributions of Democritus, Dalton, Thomson, and Rutherford.

The next scientist to further modify and advance the atomic model was Rutherford, who studied under Thomson, according to the chemistry department at Purdue University. In 1911, Rutherford ...

Manners. The results did have a profound effect on Rutherford, however, who in 1910 set about determining a model of atomic structure that would supersede Thomson's plum pudding model, Manners ...

The most widely-accepted atomic model was Thomson's so-called "plum pudding". Its ingredients consisted of a ball of diffuse "positive electricity" in which negatively charged electrons were ...

He attaches great weight to Thomson's statement that in 1804 Dalton himself informed him “that the atomic theory first occurred to him during his investigations of olefiant gas and carburetted ...

THE present volume is an expansion of six lectures delivered by; Prof. J. J. Thomson in his capacity of professor at: the Royal Institution. It is a simple and clear account of the development of ...

But it was not until around 1803 that the first useful atomic theory of matter was ... But just five years after Thomson published his model in 1904, it was disproved by an experiment directed ...