Plum pudding model
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The plum pudding model is an obsolete scientific model of the atom. It was first proposed by J. J. Thomson in 1904 following his discovery of the electron in 1897, and was rendered obsolete by Ernest
A 1905 diagram by J. J. Thomson illustrating his hypothetical arrangements of electrons in an atom, ranging from one to eight electrons.
Thomson's diagram of Mayer's practical experiment for exploring electron arrangements.
A Christmas pudding, not Thomson's preferred analogy for his atomic model
J. J. Thomson
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Sir Joseph John Thomson was a British physicist. He received the 1906 Nobel Prize in Physics "in recognition of the great merits of his theoretical and experimental investigations on the conduction of
Plum pudding model
…The plum pudding model is an obsolete scientific model of the atom. It was first proposed by J. J. Thomson in 1904 following his discovery of the electron in 1897, and was rendered obsolete by Ernest Rutherford's discovery of the atomic nucleus in 1911. The…
Thomson in 1915
Title page On the Chemical Combination of Gases by Joseph John Thomson 1856 1940
First page to Notes on Recent Researches in Electricity and Magnetism (1893)
Plaque commemorating Thomson's discovery of the electron outside the old Cavendish Laboratory.