The plum pudding model is defined by electrons surrounded by a volume of positive charge, like negatively-charged “plums” embedded in a positively-charged “pudding” (hence the name). ... Thomson's Plum Pudding Model is the first model to represent the atomic structure of matter.
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The plum pudding model is defined by electrons surrounded by a volume of positive charge, like negatively-charged “plums” embedded in a positively-charged “pudding” (hence the name). ... Thomson's Plum Pudding Model is the first model to represent the atomic structure of matter.