Plum pudding model
Код 2390838
- ISBN: 978-5-5111-9471-4
Код 2390838
High Quality Content by WIKIPEDIA articles! The plum pudding model of the atom by J. J. Thomson, who discovered the electron in 1897, was proposed in 1904 before the discovery of the atomic nucleus. In this model, the atom is composed of electrons (which Thomson still called "corpuscles", though G. J. Stoney had proposed that atoms of electricity be called electrons in 1894) surrounded by a soup of positive charge to balance the electrons` negative charges, like negatively-charged "plums"...
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