Describe how discovery of the electron led to the plum pudding model.

In the subtopic The development of the model of the atom, this learning objective focuses on describe how discovery of the electron led to the plum pudding model. It sits within A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes for AQA GCSE Chemistry 8462, so the explanation must keep the chemistry linked to The development of the model of the atom rather than drifting into a nearby idea. Approved keywords to use include electron, plum pudding model. electron means a subatomic particle with a negative charge that orbits the nucleus of an atom Avoid the mistake of students often think the plum pudding model describes electrons embedded in a solid mass rather than a diffuse positive charge with electrons scattered throughout; instead, clarify that the plum pudding model suggests a positive 'pudding' with negatively charged electrons as 'plums' distributed within it For exam answers, focus on how the discovery of the electron influenced the development of the plum pudding model