Thompson's Model of Atoms

JJ Thompson hypothesized that atoms consist of smaller particles. Through experiments with electric currents in near-vacuum tubes, he observed light emission and deflection of rays by magnetic fields, leading to the discovery of electrons. Thompson proposed the plum pudding model, suggesting atoms are made of positively charged material with embedded electrons. Concurrently, Becarel and the Curies explored radiation, discovering energy emission from certain elements.

Explain the plum pudding model proposed by Thompson.

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What contributions did Henry Becquerel, Pierre Curie, and Marie Curie make around the same time as Thompson?

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