Question: The Plum pudding model was first proposed by physicist from which country?
Sentence (from "Plum pudding model"): First proposed by J. J. Thomson in 1904 soon after the discovery of the electron, but before the discovery of the atomic nucleus, the model represented an attempt to consolidate the known properties of atoms at the time: 1) electrons are negatively-charged particles and 2) atoms are neutrally-charged.
Relevant evidence: Yes